Home / 157,830.30-236,757.78-52,649.16

Finding the Fourth Proportional to 157,830.30, 236,757.78 and 52,649.16

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Solution

The fourth proportional to 157,830.30, 236,757.78 and 52,649.16 is: 78,977.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,830.30 : 236,757.78 = 52,649.16 : x
  2. Step 2: Convert to fraction form
    157,830.30/236,757.78 = 52,649.16/x
  3. Step 3: Cross multiply
    157,830.30x = 236,757.78 × 52,649.16
  4. Step 4: Simplify right side
    157,830.30x = 12,465,098,240.46
  5. Step 5: Solve for x
    x = 12,465,098,240.46/157,830.30
  6. Step 6: Final answer
    x = 78,977.85

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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.