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Finding the Fourth Proportional to 127,513.37, 175,964.80 and 69,368.28

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Solution

The fourth proportional to 127,513.37, 175,964.80 and 69,368.28 is: 95,726.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,513.37 : 175,964.80 = 69,368.28 : x
  2. Step 2: Convert to fraction form
    127,513.37/175,964.80 = 69,368.28/x
  3. Step 3: Cross multiply
    127,513.37x = 175,964.80 × 69,368.28
  4. Step 4: Simplify right side
    127,513.37x = 12,206,375,516.54
  5. Step 5: Solve for x
    x = 12,206,375,516.54/127,513.37
  6. Step 6: Final answer
    x = 95,726.24

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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.