Home / 177,517.40-266,427.30-72,411.80

Finding the Fourth Proportional to 177,517.40, 266,427.30 and 72,411.80

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Solution

The fourth proportional to 177,517.40, 266,427.30 and 72,411.80 is: 108,679.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,517.40 : 266,427.30 = 72,411.80 : x
  2. Step 2: Convert to fraction form
    177,517.40/266,427.30 = 72,411.80/x
  3. Step 3: Cross multiply
    177,517.40x = 266,427.30 × 72,411.80
  4. Step 4: Simplify right side
    177,517.40x = 19,292,480,362.14
  5. Step 5: Solve for x
    x = 19,292,480,362.14/177,517.40
  6. Step 6: Final answer
    x = 108,679.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.