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Finding the Fourth Proportional to 169,483.68, 233,881.92 and 94,037.76

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Solution

The fourth proportional to 169,483.68, 233,881.92 and 94,037.76 is: 129,769.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,483.68 : 233,881.92 = 94,037.76 : x
  2. Step 2: Convert to fraction form
    169,483.68/233,881.92 = 94,037.76/x
  3. Step 3: Cross multiply
    169,483.68x = 233,881.92 × 94,037.76
  4. Step 4: Simplify right side
    169,483.68x = 21,993,731,861.30
  5. Step 5: Solve for x
    x = 21,993,731,861.30/169,483.68
  6. Step 6: Final answer
    x = 129,769.02

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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.