Home / 113,489.40-170,234.10-43,359.60

Finding the Fourth Proportional to 113,489.40, 170,234.10 and 43,359.60

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Solution

The fourth proportional to 113,489.40, 170,234.10 and 43,359.60 is: 65,039.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,489.40 : 170,234.10 = 43,359.60 : x
  2. Step 2: Convert to fraction form
    113,489.40/170,234.10 = 43,359.60/x
  3. Step 3: Cross multiply
    113,489.40x = 170,234.10 × 43,359.60
  4. Step 4: Simplify right side
    113,489.40x = 7,381,282,482.36
  5. Step 5: Solve for x
    x = 7,381,282,482.36/113,489.40
  6. Step 6: Final answer
    x = 65,039.40

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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.