Home / 127,337.40-175,261.74-91,471.80

Finding the Fourth Proportional to 127,337.40, 175,261.74 and 91,471.80

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Solution

The fourth proportional to 127,337.40, 175,261.74 and 91,471.80 is: 125,897.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,337.40 : 175,261.74 = 91,471.80 : x
  2. Step 2: Convert to fraction form
    127,337.40/175,261.74 = 91,471.80/x
  3. Step 3: Cross multiply
    127,337.40x = 175,261.74 × 91,471.80
  4. Step 4: Simplify right side
    127,337.40x = 16,031,506,828.93
  5. Step 5: Solve for x
    x = 16,031,506,828.93/127,337.40
  6. Step 6: Final answer
    x = 125,897.87

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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.