Home / 147,438.56-220,877.30-76,254.55

Finding the Fourth Proportional to 147,438.56, 220,877.30 and 76,254.55

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Solution

The fourth proportional to 147,438.56, 220,877.30 and 76,254.55 is: 114,236.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,438.56 : 220,877.30 = 76,254.55 : x
  2. Step 2: Convert to fraction form
    147,438.56/220,877.30 = 76,254.55/x
  3. Step 3: Cross multiply
    147,438.56x = 220,877.30 × 76,254.55
  4. Step 4: Simplify right side
    147,438.56x = 16,842,898,755.16
  5. Step 5: Solve for x
    x = 16,842,898,755.16/147,438.56
  6. Step 6: Final answer
    x = 114,236.73

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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.