Home / 146,505.28-202,177.40-79,437.28

Finding the Fourth Proportional to 146,505.28, 202,177.40 and 79,437.28

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Solution

The fourth proportional to 146,505.28, 202,177.40 and 79,437.28 is: 109,623.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,505.28 : 202,177.40 = 79,437.28 : x
  2. Step 2: Convert to fraction form
    146,505.28/202,177.40 = 79,437.28/x
  3. Step 3: Cross multiply
    146,505.28x = 202,177.40 × 79,437.28
  4. Step 4: Simplify right side
    146,505.28x = 16,060,422,733.47
  5. Step 5: Solve for x
    x = 16,060,422,733.47/146,505.28
  6. Step 6: Final answer
    x = 109,623.51

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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.