Home / 127,834.47-176,417.60-71,246.25

Finding the Fourth Proportional to 127,834.47, 176,417.60 and 71,246.25

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Solution

The fourth proportional to 127,834.47, 176,417.60 and 71,246.25 is: 98,323.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,834.47 : 176,417.60 = 71,246.25 : x
  2. Step 2: Convert to fraction form
    127,834.47/176,417.60 = 71,246.25/x
  3. Step 3: Cross multiply
    127,834.47x = 176,417.60 × 71,246.25
  4. Step 4: Simplify right side
    127,834.47x = 12,569,092,077.77
  5. Step 5: Solve for x
    x = 12,569,092,077.77/127,834.47
  6. Step 6: Final answer
    x = 98,323.18

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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.