Home / 187,396.44-281,132.28-69,068.40

Finding the Fourth Proportional to 187,396.44, 281,132.28 and 69,068.40

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Solution

The fourth proportional to 187,396.44, 281,132.28 and 69,068.40 is: 103,616.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,396.44 : 281,132.28 = 69,068.40 : x
  2. Step 2: Convert to fraction form
    187,396.44/281,132.28 = 69,068.40/x
  3. Step 3: Cross multiply
    187,396.44x = 281,132.28 × 69,068.40
  4. Step 4: Simplify right side
    187,396.44x = 19,417,356,767.95
  5. Step 5: Solve for x
    x = 19,417,356,767.95/187,396.44
  6. Step 6: Final answer
    x = 103,616.47

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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.