Home / 232,000.42-320,160.45-131,398.42

Finding the Fourth Proportional to 232,000.42, 320,160.45 and 131,398.42

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Solution

The fourth proportional to 232,000.42, 320,160.45 and 131,398.42 is: 181,329.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,000.42 : 320,160.45 = 131,398.42 : x
  2. Step 2: Convert to fraction form
    232,000.42/320,160.45 = 131,398.42/x
  3. Step 3: Cross multiply
    232,000.42x = 320,160.45 × 131,398.42
  4. Step 4: Simplify right side
    232,000.42x = 42,068,577,276.49
  5. Step 5: Solve for x
    x = 42,068,577,276.49/232,000.42
  6. Step 6: Final answer
    x = 181,329.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.