Home / 127,609.20-176,098.94-71,020.60

Finding the Fourth Proportional to 127,609.20, 176,098.94 and 71,020.60

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Solution

The fourth proportional to 127,609.20, 176,098.94 and 71,020.60 is: 98,007.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,609.20 : 176,098.94 = 71,020.60 : x
  2. Step 2: Convert to fraction form
    127,609.20/176,098.94 = 71,020.60/x
  3. Step 3: Cross multiply
    127,609.20x = 176,098.94 × 71,020.60
  4. Step 4: Simplify right side
    127,609.20x = 12,506,652,378.16
  5. Step 5: Solve for x
    x = 12,506,652,378.16/127,609.20
  6. Step 6: Final answer
    x = 98,007.45

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1.5x scale

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.