Home / 115,328.20-172,966.14-52,938.76

Finding the Fourth Proportional to 115,328.20, 172,966.14 and 52,938.76

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Solution

The fourth proportional to 115,328.20, 172,966.14 and 52,938.76 is: 79,396.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,328.20 : 172,966.14 = 52,938.76 : x
  2. Step 2: Convert to fraction form
    115,328.20/172,966.14 = 52,938.76/x
  3. Step 3: Cross multiply
    115,328.20x = 172,966.14 × 52,938.76
  4. Step 4: Simplify right side
    115,328.20x = 9,156,612,973.59
  5. Step 5: Solve for x
    x = 9,156,612,973.59/115,328.20
  6. Step 6: Final answer
    x = 79,396.13

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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.