Home / 121,900.02-182,850.03-51,730.13

Finding the Fourth Proportional to 121,900.02, 182,850.03 and 51,730.13

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Solution

The fourth proportional to 121,900.02, 182,850.03 and 51,730.13 is: 77,595.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,900.02 : 182,850.03 = 51,730.13 : x
  2. Step 2: Convert to fraction form
    121,900.02/182,850.03 = 51,730.13/x
  3. Step 3: Cross multiply
    121,900.02x = 182,850.03 × 51,730.13
  4. Step 4: Simplify right side
    121,900.02x = 9,458,854,908.15
  5. Step 5: Solve for x
    x = 9,458,854,908.15/121,900.02
  6. Step 6: Final answer
    x = 77,595.19

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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.