Home / 231,865.20-320,006.16-146,990.16

Finding the Fourth Proportional to 231,865.20, 320,006.16 and 146,990.16

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Solution

The fourth proportional to 231,865.20, 320,006.16 and 146,990.16 is: 202,866.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,865.20 : 320,006.16 = 146,990.16 : x
  2. Step 2: Convert to fraction form
    231,865.20/320,006.16 = 146,990.16/x
  3. Step 3: Cross multiply
    231,865.20x = 320,006.16 × 146,990.16
  4. Step 4: Simplify right side
    231,865.20x = 47,037,756,659.39
  5. Step 5: Solve for x
    x = 47,037,756,659.39/231,865.20
  6. Step 6: Final answer
    x = 202,866.82

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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.