Home / 157,248.20-235,613.10-130,809.80

Finding the Fourth Proportional to 157,248.20, 235,613.10 and 130,809.80

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Solution

The fourth proportional to 157,248.20, 235,613.10 and 130,809.80 is: 195,999.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,248.20 : 235,613.10 = 130,809.80 : x
  2. Step 2: Convert to fraction form
    157,248.20/235,613.10 = 130,809.80/x
  3. Step 3: Cross multiply
    157,248.20x = 235,613.10 × 130,809.80
  4. Step 4: Simplify right side
    157,248.20x = 30,820,502,488.38
  5. Step 5: Solve for x
    x = 30,820,502,488.38/157,248.20
  6. Step 6: Final answer
    x = 195,999.08

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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.