Home / 239,142.72-358,589.53-89,259.76

Finding the Fourth Proportional to 239,142.72, 358,589.53 and 89,259.76

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Solution

The fourth proportional to 239,142.72, 358,589.53 and 89,259.76 is: 133,843.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,142.72 : 358,589.53 = 89,259.76 : x
  2. Step 2: Convert to fraction form
    239,142.72/358,589.53 = 89,259.76/x
  3. Step 3: Cross multiply
    239,142.72x = 358,589.53 × 89,259.76
  4. Step 4: Simplify right side
    239,142.72x = 32,007,615,386.31
  5. Step 5: Solve for x
    x = 32,007,615,386.31/239,142.72
  6. Step 6: Final answer
    x = 133,843.15

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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.