Home / 159,639.32-239,483.59-54,433.69

Finding the Fourth Proportional to 159,639.32, 239,483.59 and 54,433.69

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Solution

The fourth proportional to 159,639.32, 239,483.59 and 54,433.69 is: 81,658.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,639.32 : 239,483.59 = 54,433.69 : x
  2. Step 2: Convert to fraction form
    159,639.32/239,483.59 = 54,433.69/x
  3. Step 3: Cross multiply
    159,639.32x = 239,483.59 × 54,433.69
  4. Step 4: Simplify right side
    159,639.32x = 13,035,974,763.35
  5. Step 5: Solve for x
    x = 13,035,974,763.35/159,639.32
  6. Step 6: Final answer
    x = 81,658.92

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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.