Home / 181,619.28-272,428.92-56,970

Finding the Fourth Proportional to 181,619.28, 272,428.92 and 56,970

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Solution

The fourth proportional to 181,619.28, 272,428.92 and 56,970 is: 85,455

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,619.28 : 272,428.92 = 56,970 : x
  2. Step 2: Convert to fraction form
    181,619.28/272,428.92 = 56,970/x
  3. Step 3: Cross multiply
    181,619.28x = 272,428.92 × 56,970
  4. Step 4: Simplify right side
    181,619.28x = 15,520,275,572.40
  5. Step 5: Solve for x
    x = 15,520,275,572.40/181,619.28
  6. Step 6: Final answer
    x = 85,455

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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.