Home / 127,702.74-176,226.93-71,119.38

Finding the Fourth Proportional to 127,702.74, 176,226.93 and 71,119.38

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Solution

The fourth proportional to 127,702.74, 176,226.93 and 71,119.38 is: 98,143.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,702.74 : 176,226.93 = 71,119.38 : x
  2. Step 2: Convert to fraction form
    127,702.74/176,226.93 = 71,119.38/x
  3. Step 3: Cross multiply
    127,702.74x = 176,226.93 × 71,119.38
  4. Step 4: Simplify right side
    127,702.74x = 12,533,150,000.90
  5. Step 5: Solve for x
    x = 12,533,150,000.90/127,702.74
  6. Step 6: Final answer
    x = 98,143.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.