Home / 119,555.12-165,098.04-74,920.88

Finding the Fourth Proportional to 119,555.12, 165,098.04 and 74,920.88

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Solution

The fourth proportional to 119,555.12, 165,098.04 and 74,920.88 is: 103,460.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,555.12 : 165,098.04 = 74,920.88 : x
  2. Step 2: Convert to fraction form
    119,555.12/165,098.04 = 74,920.88/x
  3. Step 3: Cross multiply
    119,555.12x = 165,098.04 × 74,920.88
  4. Step 4: Simplify right side
    119,555.12x = 12,369,290,443.08
  5. Step 5: Solve for x
    x = 12,369,290,443.08/119,555.12
  6. Step 6: Final answer
    x = 103,460.98

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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.