Home / 187,622.64-281,442.16-61,261.90

Finding the Fourth Proportional to 187,622.64, 281,442.16 and 61,261.90

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Solution

The fourth proportional to 187,622.64, 281,442.16 and 61,261.90 is: 91,895.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,622.64 : 281,442.16 = 61,261.90 : x
  2. Step 2: Convert to fraction form
    187,622.64/281,442.16 = 61,261.90/x
  3. Step 3: Cross multiply
    187,622.64x = 281,442.16 × 61,261.90
  4. Step 4: Simplify right side
    187,622.64x = 17,241,681,461.70
  5. Step 5: Solve for x
    x = 17,241,681,461.70/187,622.64
  6. Step 6: Final answer
    x = 91,895.53

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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.