Home / 187,560.73-281,368.76-54,423.70

Finding the Fourth Proportional to 187,560.73, 281,368.76 and 54,423.70

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Solution

The fourth proportional to 187,560.73, 281,368.76 and 54,423.70 is: 81,643.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,560.73 : 281,368.76 = 54,423.70 : x
  2. Step 2: Convert to fraction form
    187,560.73/281,368.76 = 54,423.70/x
  3. Step 3: Cross multiply
    187,560.73x = 281,368.76 × 54,423.70
  4. Step 4: Simplify right side
    187,560.73x = 15,313,128,008.07
  5. Step 5: Solve for x
    x = 15,313,128,008.07/187,560.73
  6. Step 6: Final answer
    x = 81,643.57

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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.