Home / 127,835.76-176,419.36-71,247.54

Finding the Fourth Proportional to 127,835.76, 176,419.36 and 71,247.54

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Solution

The fourth proportional to 127,835.76, 176,419.36 and 71,247.54 is: 98,324.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,835.76 : 176,419.36 = 71,247.54 : x
  2. Step 2: Convert to fraction form
    127,835.76/176,419.36 = 71,247.54/x
  3. Step 3: Cross multiply
    127,835.76x = 176,419.36 × 71,247.54
  4. Step 4: Simplify right side
    127,835.76x = 12,569,445,230.26
  5. Step 5: Solve for x
    x = 12,569,445,230.26/127,835.76
  6. Step 6: Final answer
    x = 98,324.95

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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.