Home / 146,527.28-202,207.76-79,459.28

Finding the Fourth Proportional to 146,527.28, 202,207.76 and 79,459.28

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Solution

The fourth proportional to 146,527.28, 202,207.76 and 79,459.28 is: 109,653.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,527.28 : 202,207.76 = 79,459.28 : x
  2. Step 2: Convert to fraction form
    146,527.28/202,207.76 = 79,459.28/x
  3. Step 3: Cross multiply
    146,527.28x = 202,207.76 × 79,459.28
  4. Step 4: Simplify right side
    146,527.28x = 16,067,283,020.01
  5. Step 5: Solve for x
    x = 16,067,283,020.01/146,527.28
  6. Step 6: Final answer
    x = 109,653.87

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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.