Home / 181,038.20-271,233.30-87,337.40

Finding the Fourth Proportional to 181,038.20, 271,233.30 and 87,337.40

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Solution

The fourth proportional to 181,038.20, 271,233.30 and 87,337.40 is: 130,849.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,038.20 : 271,233.30 = 87,337.40 : x
  2. Step 2: Convert to fraction form
    181,038.20/271,233.30 = 87,337.40/x
  3. Step 3: Cross multiply
    181,038.20x = 271,233.30 × 87,337.40
  4. Step 4: Simplify right side
    181,038.20x = 23,688,811,215.42
  5. Step 5: Solve for x
    x = 23,688,811,215.42/181,038.20
  6. Step 6: Final answer
    x = 130,849.79

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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.