Home / 147,615.96-220,281.31-131,864.28

Finding the Fourth Proportional to 147,615.96, 220,281.31 and 131,864.28

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Solution

The fourth proportional to 147,615.96, 220,281.31 and 131,864.28 is: 196,775.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,615.96 : 220,281.31 = 131,864.28 : x
  2. Step 2: Convert to fraction form
    147,615.96/220,281.31 = 131,864.28/x
  3. Step 3: Cross multiply
    147,615.96x = 220,281.31 × 131,864.28
  4. Step 4: Simplify right side
    147,615.96x = 29,047,236,340.61
  5. Step 5: Solve for x
    x = 29,047,236,340.61/147,615.96
  6. Step 6: Final answer
    x = 196,775.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.