Home / 138,902.85-208,357.34-96,166.17

Finding the Fourth Proportional to 138,902.85, 208,357.34 and 96,166.17

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Solution

The fourth proportional to 138,902.85, 208,357.34 and 96,166.17 is: 144,251.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,902.85 : 208,357.34 = 96,166.17 : x
  2. Step 2: Convert to fraction form
    138,902.85/208,357.34 = 96,166.17/x
  3. Step 3: Cross multiply
    138,902.85x = 208,357.34 × 96,166.17
  4. Step 4: Simplify right side
    138,902.85x = 20,036,926,898.36
  5. Step 5: Solve for x
    x = 20,036,926,898.36/138,902.85
  6. Step 6: Final answer
    x = 144,251.37

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1.5x scale

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.