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Finding the Fourth Proportional to 169,512.40, 254,519.70 and 94,781.80

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Solution

The fourth proportional to 169,512.40, 254,519.70 and 94,781.80 is: 142,313.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,512.40 : 254,519.70 = 94,781.80 : x
  2. Step 2: Convert to fraction form
    169,512.40/254,519.70 = 94,781.80/x
  3. Step 3: Cross multiply
    169,512.40x = 254,519.70 × 94,781.80
  4. Step 4: Simplify right side
    169,512.40x = 24,123,835,301.46
  5. Step 5: Solve for x
    x = 24,123,835,301.46/169,512.40
  6. Step 6: Final answer
    x = 142,313.10

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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.