Home / 127,179.65-175,510.11-69,824.29

Finding the Fourth Proportional to 127,179.65, 175,510.11 and 69,824.29

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Solution

The fourth proportional to 127,179.65, 175,510.11 and 69,824.29 is: 96,358.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,179.65 : 175,510.11 = 69,824.29 : x
  2. Step 2: Convert to fraction form
    127,179.65/175,510.11 = 69,824.29/x
  3. Step 3: Cross multiply
    127,179.65x = 175,510.11 × 69,824.29
  4. Step 4: Simplify right side
    127,179.65x = 12,254,868,818.57
  5. Step 5: Solve for x
    x = 12,254,868,818.57/127,179.65
  6. Step 6: Final answer
    x = 96,358.72

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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.