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Finding the Fourth Proportional to 127,756.41, 176,302.41 and 72,565.34

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Solution

The fourth proportional to 127,756.41, 176,302.41 and 72,565.34 is: 100,139.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,756.41 : 176,302.41 = 72,565.34 : x
  2. Step 2: Convert to fraction form
    127,756.41/176,302.41 = 72,565.34/x
  3. Step 3: Cross multiply
    127,756.41x = 176,302.41 × 72,565.34
  4. Step 4: Simplify right side
    127,756.41x = 12,793,444,324.47
  5. Step 5: Solve for x
    x = 12,793,444,324.47/127,756.41
  6. Step 6: Final answer
    x = 100,139.35

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.