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Finding the Fourth Proportional to 159,980.49, 240,040.80 and 75,800.75

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Solution

The fourth proportional to 159,980.49, 240,040.80 and 75,800.75 is: 113,734.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,980.49 : 240,040.80 = 75,800.75 : x
  2. Step 2: Convert to fraction form
    159,980.49/240,040.80 = 75,800.75/x
  3. Step 3: Cross multiply
    159,980.49x = 240,040.80 × 75,800.75
  4. Step 4: Simplify right side
    159,980.49x = 18,195,271,470.40
  5. Step 5: Solve for x
    x = 18,195,271,470.40/159,980.49
  6. Step 6: Final answer
    x = 113,734.32

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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.