Home / 121,187.56-181,696.98-53,682.94

Finding the Fourth Proportional to 121,187.56, 181,696.98 and 53,682.94

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Solution

The fourth proportional to 121,187.56, 181,696.98 and 53,682.94 is: 80,487.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,187.56 : 181,696.98 = 53,682.94 : x
  2. Step 2: Convert to fraction form
    121,187.56/181,696.98 = 53,682.94/x
  3. Step 3: Cross multiply
    121,187.56x = 181,696.98 × 53,682.94
  4. Step 4: Simplify right side
    121,187.56x = 9,754,028,075.52
  5. Step 5: Solve for x
    x = 9,754,028,075.52/121,187.56
  6. Step 6: Final answer
    x = 80,487.04

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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.