Home / 181,570.28-272,355.42-56,921

Finding the Fourth Proportional to 181,570.28, 272,355.42 and 56,921

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Solution

The fourth proportional to 181,570.28, 272,355.42 and 56,921 is: 85,381.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,570.28 : 272,355.42 = 56,921 : x
  2. Step 2: Convert to fraction form
    181,570.28/272,355.42 = 56,921/x
  3. Step 3: Cross multiply
    181,570.28x = 272,355.42 × 56,921
  4. Step 4: Simplify right side
    181,570.28x = 15,502,742,861.82
  5. Step 5: Solve for x
    x = 15,502,742,861.82/181,570.28
  6. Step 6: Final answer
    x = 85,381.50

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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.