Home / 119,802.13-165,314.14-66,087.15

Finding the Fourth Proportional to 119,802.13, 165,314.14 and 66,087.15

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Solution

The fourth proportional to 119,802.13, 165,314.14 and 66,087.15 is: 91,193.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,802.13 : 165,314.14 = 66,087.15 : x
  2. Step 2: Convert to fraction form
    119,802.13/165,314.14 = 66,087.15/x
  3. Step 3: Cross multiply
    119,802.13x = 165,314.14 × 66,087.15
  4. Step 4: Simplify right side
    119,802.13x = 10,925,140,367.30
  5. Step 5: Solve for x
    x = 10,925,140,367.30/119,802.13
  6. Step 6: Final answer
    x = 91,193.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.