Home / 166,123.68-229,280.40-99,060

Finding the Fourth Proportional to 166,123.68, 229,280.40 and 99,060

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Solution

The fourth proportional to 166,123.68, 229,280.40 and 99,060 is: 136,720.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,123.68 : 229,280.40 = 99,060 : x
  2. Step 2: Convert to fraction form
    166,123.68/229,280.40 = 99,060/x
  3. Step 3: Cross multiply
    166,123.68x = 229,280.40 × 99,060
  4. Step 4: Simplify right side
    166,123.68x = 22,712,516,424
  5. Step 5: Solve for x
    x = 22,712,516,424/166,123.68
  6. Step 6: Final answer
    x = 136,720.52

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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.