Home / 111,856.20-154,363.14-60,870.48

Finding the Fourth Proportional to 111,856.20, 154,363.14 and 60,870.48

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Solution

The fourth proportional to 111,856.20, 154,363.14 and 60,870.48 is: 84,002.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,856.20 : 154,363.14 = 60,870.48 : x
  2. Step 2: Convert to fraction form
    111,856.20/154,363.14 = 60,870.48/x
  3. Step 3: Cross multiply
    111,856.20x = 154,363.14 × 60,870.48
  4. Step 4: Simplify right side
    111,856.20x = 9,396,158,426.11
  5. Step 5: Solve for x
    x = 9,396,158,426.11/111,856.20
  6. Step 6: Final answer
    x = 84,002.12

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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.