Home / 158,957.21-219,358.24-87,337.14

Finding the Fourth Proportional to 158,957.21, 219,358.24 and 87,337.14

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Solution

The fourth proportional to 158,957.21, 219,358.24 and 87,337.14 is: 120,523.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,957.21 : 219,358.24 = 87,337.14 : x
  2. Step 2: Convert to fraction form
    158,957.21/219,358.24 = 87,337.14/x
  3. Step 3: Cross multiply
    158,957.21x = 219,358.24 × 87,337.14
  4. Step 4: Simplify right side
    158,957.21x = 19,158,121,098.69
  5. Step 5: Solve for x
    x = 19,158,121,098.69/158,957.21
  6. Step 6: Final answer
    x = 120,523.77

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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.