Home / 127,946.52-176,566.16-71,356.68

Finding the Fourth Proportional to 127,946.52, 176,566.16 and 71,356.68

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Solution

The fourth proportional to 127,946.52, 176,566.16 and 71,356.68 is: 98,472.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,946.52 : 176,566.16 = 71,356.68 : x
  2. Step 2: Convert to fraction form
    127,946.52/176,566.16 = 71,356.68/x
  3. Step 3: Cross multiply
    127,946.52x = 176,566.16 × 71,356.68
  4. Step 4: Simplify right side
    127,946.52x = 12,599,174,977.95
  5. Step 5: Solve for x
    x = 12,599,174,977.95/127,946.52
  6. Step 6: Final answer
    x = 98,472.20

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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.