Home / 119,751.24-165,264.12-66,036.18

Finding the Fourth Proportional to 119,751.24, 165,264.12 and 66,036.18

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Solution

The fourth proportional to 119,751.24, 165,264.12 and 66,036.18 is: 91,134.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,751.24 : 165,264.12 = 66,036.18 : x
  2. Step 2: Convert to fraction form
    119,751.24/165,264.12 = 66,036.18/x
  3. Step 3: Cross multiply
    119,751.24x = 165,264.12 × 66,036.18
  4. Step 4: Simplify right side
    119,751.24x = 10,913,411,175.86
  5. Step 5: Solve for x
    x = 10,913,411,175.86/119,751.24
  6. Step 6: Final answer
    x = 91,134.01

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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.