Home / 160,475.80-221,463.48-88,855.76

Finding the Fourth Proportional to 160,475.80, 221,463.48 and 88,855.76

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Solution

The fourth proportional to 160,475.80, 221,463.48 and 88,855.76 is: 122,624.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,475.80 : 221,463.48 = 88,855.76 : x
  2. Step 2: Convert to fraction form
    160,475.80/221,463.48 = 88,855.76/x
  3. Step 3: Cross multiply
    160,475.80x = 221,463.48 × 88,855.76
  4. Step 4: Simplify right side
    160,475.80x = 19,678,305,716.79
  5. Step 5: Solve for x
    x = 19,678,305,716.79/160,475.80
  6. Step 6: Final answer
    x = 122,624.76

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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.