Home / 147,143.64-220,521.24-58,348.56

Finding the Fourth Proportional to 147,143.64, 220,521.24 and 58,348.56

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Solution

The fourth proportional to 147,143.64, 220,521.24 and 58,348.56 is: 87,445.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,143.64 : 220,521.24 = 58,348.56 : x
  2. Step 2: Convert to fraction form
    147,143.64/220,521.24 = 58,348.56/x
  3. Step 3: Cross multiply
    147,143.64x = 220,521.24 × 58,348.56
  4. Step 4: Simplify right side
    147,143.64x = 12,867,096,803.41
  5. Step 5: Solve for x
    x = 12,867,096,803.41/147,143.64
  6. Step 6: Final answer
    x = 87,445.82

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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.