Home / 159,639.39-239,408.06-54,473.85

Finding the Fourth Proportional to 159,639.39, 239,408.06 and 54,473.85

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Solution

The fourth proportional to 159,639.39, 239,408.06 and 54,473.85 is: 81,693.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,639.39 : 239,408.06 = 54,473.85 : x
  2. Step 2: Convert to fraction form
    159,639.39/239,408.06 = 54,473.85/x
  3. Step 3: Cross multiply
    159,639.39x = 239,408.06 × 54,473.85
  4. Step 4: Simplify right side
    159,639.39x = 13,041,478,476.86
  5. Step 5: Solve for x
    x = 13,041,478,476.86/159,639.39
  6. Step 6: Final answer
    x = 81,693.36

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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.