Home / 187,426.95-281,140.44-54,307.30

Finding the Fourth Proportional to 187,426.95, 281,140.44 and 54,307.30

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Solution

The fourth proportional to 187,426.95, 281,140.44 and 54,307.30 is: 81,460.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,426.95 : 281,140.44 = 54,307.30 : x
  2. Step 2: Convert to fraction form
    187,426.95/281,140.44 = 54,307.30/x
  3. Step 3: Cross multiply
    187,426.95x = 281,140.44 × 54,307.30
  4. Step 4: Simplify right side
    187,426.95x = 15,267,978,217.21
  5. Step 5: Solve for x
    x = 15,267,978,217.21/187,426.95
  6. Step 6: Final answer
    x = 81,460.95

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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.