Home / 161,765.62-243,521.94-145,490.18

Finding the Fourth Proportional to 161,765.62, 243,521.94 and 145,490.18

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Solution

The fourth proportional to 161,765.62, 243,521.94 and 145,490.18 is: 219,020.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,765.62 : 243,521.94 = 145,490.18 : x
  2. Step 2: Convert to fraction form
    161,765.62/243,521.94 = 145,490.18/x
  3. Step 3: Cross multiply
    161,765.62x = 243,521.94 × 145,490.18
  4. Step 4: Simplify right side
    161,765.62x = 35,430,050,884.55
  5. Step 5: Solve for x
    x = 35,430,050,884.55/161,765.62
  6. Step 6: Final answer
    x = 219,020.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.