Home / 240,016.85-331,210.46-138,026.11

Finding the Fourth Proportional to 240,016.85, 331,210.46 and 138,026.11

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Solution

The fourth proportional to 240,016.85, 331,210.46 and 138,026.11 is: 190,468.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,016.85 : 331,210.46 = 138,026.11 : x
  2. Step 2: Convert to fraction form
    240,016.85/331,210.46 = 138,026.11/x
  3. Step 3: Cross multiply
    240,016.85x = 331,210.46 × 138,026.11
  4. Step 4: Simplify right side
    240,016.85x = 45,715,690,902.15
  5. Step 5: Solve for x
    x = 45,715,690,902.15/240,016.85
  6. Step 6: Final answer
    x = 190,468.67

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1.5x scale

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.