Home / 147,414.86-203,438.14-80,346.86

Finding the Fourth Proportional to 147,414.86, 203,438.14 and 80,346.86

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Solution

The fourth proportional to 147,414.86, 203,438.14 and 80,346.86 is: 110,881.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,414.86 : 203,438.14 = 80,346.86 : x
  2. Step 2: Convert to fraction form
    147,414.86/203,438.14 = 80,346.86/x
  3. Step 3: Cross multiply
    147,414.86x = 203,438.14 × 80,346.86
  4. Step 4: Simplify right side
    147,414.86x = 16,345,614,535.18
  5. Step 5: Solve for x
    x = 16,345,614,535.18/147,414.86
  6. Step 6: Final answer
    x = 110,881.73

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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.