Home / 157,397.67-236,129.31-52,209.05

Finding the Fourth Proportional to 157,397.67, 236,129.31 and 52,209.05

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Solution

The fourth proportional to 157,397.67, 236,129.31 and 52,209.05 is: 78,324.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,397.67 : 236,129.31 = 52,209.05 : x
  2. Step 2: Convert to fraction form
    157,397.67/236,129.31 = 52,209.05/x
  3. Step 3: Cross multiply
    157,397.67x = 236,129.31 × 52,209.05
  4. Step 4: Simplify right side
    157,397.67x = 12,328,085,771.61
  5. Step 5: Solve for x
    x = 12,328,085,771.61/157,397.67
  6. Step 6: Final answer
    x = 78,324.45

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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.