Home / 187,598.28-281,331-69,237.84

Finding the Fourth Proportional to 187,598.28, 281,331 and 69,237.84

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Solution

The fourth proportional to 187,598.28, 281,331 and 69,237.84 is: 103,832.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,598.28 : 281,331 = 69,237.84 : x
  2. Step 2: Convert to fraction form
    187,598.28/281,331 = 69,237.84/x
  3. Step 3: Cross multiply
    187,598.28x = 281,331 × 69,237.84
  4. Step 4: Simplify right side
    187,598.28x = 19,478,750,765.04
  5. Step 5: Solve for x
    x = 19,478,750,765.04/187,598.28
  6. Step 6: Final answer
    x = 103,832.25

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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.