Home / 148,282.55-222,318.12-69,353.72

Finding the Fourth Proportional to 148,282.55, 222,318.12 and 69,353.72

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Solution

The fourth proportional to 148,282.55, 222,318.12 and 69,353.72 is: 103,981.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,282.55 : 222,318.12 = 69,353.72 : x
  2. Step 2: Convert to fraction form
    148,282.55/222,318.12 = 69,353.72/x
  3. Step 3: Cross multiply
    148,282.55x = 222,318.12 × 69,353.72
  4. Step 4: Simplify right side
    148,282.55x = 15,418,588,645.41
  5. Step 5: Solve for x
    x = 15,418,588,645.41/148,282.55
  6. Step 6: Final answer
    x = 103,981.14

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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.