Home / 113,780.92-170,544.20-42,635.12

Finding the Fourth Proportional to 113,780.92, 170,544.20 and 42,635.12

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Solution

The fourth proportional to 113,780.92, 170,544.20 and 42,635.12 is: 63,905.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,780.92 : 170,544.20 = 42,635.12 : x
  2. Step 2: Convert to fraction form
    113,780.92/170,544.20 = 42,635.12/x
  3. Step 3: Cross multiply
    113,780.92x = 170,544.20 × 42,635.12
  4. Step 4: Simplify right side
    113,780.92x = 7,271,172,432.30
  5. Step 5: Solve for x
    x = 7,271,172,432.30/113,780.92
  6. Step 6: Final answer
    x = 63,905.02

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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.