Home / 160,218.40-239,809.20-147,776.80

Finding the Fourth Proportional to 160,218.40, 239,809.20 and 147,776.80

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Solution

The fourth proportional to 160,218.40, 239,809.20 and 147,776.80 is: 221,187.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,218.40 : 239,809.20 = 147,776.80 : x
  2. Step 2: Convert to fraction form
    160,218.40/239,809.20 = 147,776.80/x
  3. Step 3: Cross multiply
    160,218.40x = 239,809.20 × 147,776.80
  4. Step 4: Simplify right side
    160,218.40x = 35,438,236,186.56
  5. Step 5: Solve for x
    x = 35,438,236,186.56/160,218.40
  6. Step 6: Final answer
    x = 221,187.06

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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.