Home / 157,397.90-236,063.19-45,047.95

Finding the Fourth Proportional to 157,397.90, 236,063.19 and 45,047.95

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Solution

The fourth proportional to 157,397.90, 236,063.19 and 45,047.95 is: 67,562.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,397.90 : 236,063.19 = 45,047.95 : x
  2. Step 2: Convert to fraction form
    157,397.90/236,063.19 = 45,047.95/x
  3. Step 3: Cross multiply
    157,397.90x = 236,063.19 × 45,047.95
  4. Step 4: Simplify right side
    157,397.90x = 10,634,161,978.64
  5. Step 5: Solve for x
    x = 10,634,161,978.64/157,397.90
  6. Step 6: Final answer
    x = 67,562.29

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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.