Home / 127,209.76-175,555.56-73,501.92

Finding the Fourth Proportional to 127,209.76, 175,555.56 and 73,501.92

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Solution

The fourth proportional to 127,209.76, 175,555.56 and 73,501.92 is: 101,436.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,209.76 : 175,555.56 = 73,501.92 : x
  2. Step 2: Convert to fraction form
    127,209.76/175,555.56 = 73,501.92/x
  3. Step 3: Cross multiply
    127,209.76x = 175,555.56 × 73,501.92
  4. Step 4: Simplify right side
    127,209.76x = 12,903,670,726.68
  5. Step 5: Solve for x
    x = 12,903,670,726.68/127,209.76
  6. Step 6: Final answer
    x = 101,436.17

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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.