Home / 119,718.04-165,073.98-76,640.44

Finding the Fourth Proportional to 119,718.04, 165,073.98 and 76,640.44

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Solution

The fourth proportional to 119,718.04, 165,073.98 and 76,640.44 is: 105,676.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,718.04 : 165,073.98 = 76,640.44 : x
  2. Step 2: Convert to fraction form
    119,718.04/165,073.98 = 76,640.44/x
  3. Step 3: Cross multiply
    119,718.04x = 165,073.98 × 76,640.44
  4. Step 4: Simplify right side
    119,718.04x = 12,651,342,459.75
  5. Step 5: Solve for x
    x = 12,651,342,459.75/119,718.04
  6. Step 6: Final answer
    x = 105,676.16

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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.