Home / 127,631.20-176,083.68-127,434.37

Finding the Fourth Proportional to 127,631.20, 176,083.68 and 127,434.37

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Solution

The fourth proportional to 127,631.20, 176,083.68 and 127,434.37 is: 175,812.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,631.20 : 176,083.68 = 127,434.37 : x
  2. Step 2: Convert to fraction form
    127,631.20/176,083.68 = 127,434.37/x
  3. Step 3: Cross multiply
    127,631.20x = 176,083.68 × 127,434.37
  4. Step 4: Simplify right side
    127,631.20x = 22,439,112,828.08
  5. Step 5: Solve for x
    x = 22,439,112,828.08/127,631.20
  6. Step 6: Final answer
    x = 175,812.13

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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.