Home / 151,766.68-209,459.14-84,703

Finding the Fourth Proportional to 151,766.68, 209,459.14 and 84,703

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Solution

The fourth proportional to 151,766.68, 209,459.14 and 84,703 is: 116,901.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,766.68 : 209,459.14 = 84,703 : x
  2. Step 2: Convert to fraction form
    151,766.68/209,459.14 = 84,703/x
  3. Step 3: Cross multiply
    151,766.68x = 209,459.14 × 84,703
  4. Step 4: Simplify right side
    151,766.68x = 17,741,817,535.42
  5. Step 5: Solve for x
    x = 17,741,817,535.42/151,766.68
  6. Step 6: Final answer
    x = 116,901.93

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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.