Home / 127,154.76-175,407.28-75,441.76

Finding the Fourth Proportional to 127,154.76, 175,407.28 and 75,441.76

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Solution

The fourth proportional to 127,154.76, 175,407.28 and 75,441.76 is: 104,070.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,154.76 : 175,407.28 = 75,441.76 : x
  2. Step 2: Convert to fraction form
    127,154.76/175,407.28 = 75,441.76/x
  3. Step 3: Cross multiply
    127,154.76x = 175,407.28 × 75,441.76
  4. Step 4: Simplify right side
    127,154.76x = 13,233,033,920.01
  5. Step 5: Solve for x
    x = 13,233,033,920.01/127,154.76
  6. Step 6: Final answer
    x = 104,070.30

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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.