Home / 136,306.70-204,547.50-66,147.74

Finding the Fourth Proportional to 136,306.70, 204,547.50 and 66,147.74

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Solution

The fourth proportional to 136,306.70, 204,547.50 and 66,147.74 is: 99,264.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,306.70 : 204,547.50 = 66,147.74 : x
  2. Step 2: Convert to fraction form
    136,306.70/204,547.50 = 66,147.74/x
  3. Step 3: Cross multiply
    136,306.70x = 204,547.50 × 66,147.74
  4. Step 4: Simplify right side
    136,306.70x = 13,530,353,824.91
  5. Step 5: Solve for x
    x = 13,530,353,824.91/136,306.70
  6. Step 6: Final answer
    x = 99,264.04

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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.