Home / 127,045.97-190,314.87-76,417.04

Finding the Fourth Proportional to 127,045.97, 190,314.87 and 76,417.04

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Solution

The fourth proportional to 127,045.97, 190,314.87 and 76,417.04 is: 114,472.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,045.97 : 190,314.87 = 76,417.04 : x
  2. Step 2: Convert to fraction form
    127,045.97/190,314.87 = 76,417.04/x
  3. Step 3: Cross multiply
    127,045.97x = 190,314.87 × 76,417.04
  4. Step 4: Simplify right side
    127,045.97x = 14,543,299,652.45
  5. Step 5: Solve for x
    x = 14,543,299,652.45/127,045.97
  6. Step 6: Final answer
    x = 114,472.73

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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.