Home / 121,980.02-182,970.03-51,810.26

Finding the Fourth Proportional to 121,980.02, 182,970.03 and 51,810.26

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Solution

The fourth proportional to 121,980.02, 182,970.03 and 51,810.26 is: 77,715.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,980.02 : 182,970.03 = 51,810.26 : x
  2. Step 2: Convert to fraction form
    121,980.02/182,970.03 = 51,810.26/x
  3. Step 3: Cross multiply
    121,980.02x = 182,970.03 × 51,810.26
  4. Step 4: Simplify right side
    121,980.02x = 9,479,724,826.51
  5. Step 5: Solve for x
    x = 9,479,724,826.51/121,980.02
  6. Step 6: Final answer
    x = 77,715.39

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.