Home / 97,840.20-146,760.30-81,233.40

Finding the Fourth Proportional to 97,840.20, 146,760.30 and 81,233.40

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Solution

The fourth proportional to 97,840.20, 146,760.30 and 81,233.40 is: 121,850.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,840.20 : 146,760.30 = 81,233.40 : x
  2. Step 2: Convert to fraction form
    97,840.20/146,760.30 = 81,233.40/x
  3. Step 3: Cross multiply
    97,840.20x = 146,760.30 × 81,233.40
  4. Step 4: Simplify right side
    97,840.20x = 11,921,838,154.02
  5. Step 5: Solve for x
    x = 11,921,838,154.02/97,840.20
  6. Step 6: Final answer
    x = 121,850.10

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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.