Home / 109,001.62-163,500.81-30,114.10

Finding the Fourth Proportional to 109,001.62, 163,500.81 and 30,114.10

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Solution

The fourth proportional to 109,001.62, 163,500.81 and 30,114.10 is: 45,170.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,001.62 : 163,500.81 = 30,114.10 : x
  2. Step 2: Convert to fraction form
    109,001.62/163,500.81 = 30,114.10/x
  3. Step 3: Cross multiply
    109,001.62x = 163,500.81 × 30,114.10
  4. Step 4: Simplify right side
    109,001.62x = 4,923,679,742.42
  5. Step 5: Solve for x
    x = 4,923,679,742.42/109,001.62
  6. Step 6: Final answer
    x = 45,170.70

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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.