Home / 161,520.91-242,282.28-143,833.55

Finding the Fourth Proportional to 161,520.91, 242,282.28 and 143,833.55

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Solution

The fourth proportional to 161,520.91, 242,282.28 and 143,833.55 is: 215,751.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,520.91 : 242,282.28 = 143,833.55 : x
  2. Step 2: Convert to fraction form
    161,520.91/242,282.28 = 143,833.55/x
  3. Step 3: Cross multiply
    161,520.91x = 242,282.28 × 143,833.55
  4. Step 4: Simplify right side
    161,520.91x = 34,848,318,806.77
  5. Step 5: Solve for x
    x = 34,848,318,806.77/161,520.91
  6. Step 6: Final answer
    x = 215,751.13

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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.