Home / 127,632.57-176,138.75-71,047.53

Finding the Fourth Proportional to 127,632.57, 176,138.75 and 71,047.53

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Solution

The fourth proportional to 127,632.57, 176,138.75 and 71,047.53 is: 98,048.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,632.57 : 176,138.75 = 71,047.53 : x
  2. Step 2: Convert to fraction form
    127,632.57/176,138.75 = 71,047.53/x
  3. Step 3: Cross multiply
    127,632.57x = 176,138.75 × 71,047.53
  4. Step 4: Simplify right side
    127,632.57x = 12,514,222,769.55
  5. Step 5: Solve for x
    x = 12,514,222,769.55/127,632.57
  6. Step 6: Final answer
    x = 98,048.82

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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.