Home / 147,492.60-221,240.12-42,314.91

Finding the Fourth Proportional to 147,492.60, 221,240.12 and 42,314.91

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Solution

The fourth proportional to 147,492.60, 221,240.12 and 42,314.91 is: 63,472.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,492.60 : 221,240.12 = 42,314.91 : x
  2. Step 2: Convert to fraction form
    147,492.60/221,240.12 = 42,314.91/x
  3. Step 3: Cross multiply
    147,492.60x = 221,240.12 × 42,314.91
  4. Step 4: Simplify right side
    147,492.60x = 9,361,755,554.61
  5. Step 5: Solve for x
    x = 9,361,755,554.61/147,492.60
  6. Step 6: Final answer
    x = 63,472.71

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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.