Home / 187,646.31-281,470.05-45,491.02

Finding the Fourth Proportional to 187,646.31, 281,470.05 and 45,491.02

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Solution

The fourth proportional to 187,646.31, 281,470.05 and 45,491.02 is: 68,236.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,646.31 : 281,470.05 = 45,491.02 : x
  2. Step 2: Convert to fraction form
    187,646.31/281,470.05 = 45,491.02/x
  3. Step 3: Cross multiply
    187,646.31x = 281,470.05 × 45,491.02
  4. Step 4: Simplify right side
    187,646.31x = 12,804,358,970.28
  5. Step 5: Solve for x
    x = 12,804,358,970.28/187,646.31
  6. Step 6: Final answer
    x = 68,236.67

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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.