Home / 127,238.24-175,510.60-91,476.20

Finding the Fourth Proportional to 127,238.24, 175,510.60 and 91,476.20

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Solution

The fourth proportional to 127,238.24, 175,510.60 and 91,476.20 is: 126,180.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,238.24 : 175,510.60 = 91,476.20 : x
  2. Step 2: Convert to fraction form
    127,238.24/175,510.60 = 91,476.20/x
  3. Step 3: Cross multiply
    127,238.24x = 175,510.60 × 91,476.20
  4. Step 4: Simplify right side
    127,238.24x = 16,055,042,957.81
  5. Step 5: Solve for x
    x = 16,055,042,957.81/127,238.24
  6. Step 6: Final answer
    x = 126,180.96

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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.