Home / 113,204.20-169,403.10-98,573.80

Finding the Fourth Proportional to 113,204.20, 169,403.10 and 98,573.80

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Solution

The fourth proportional to 113,204.20, 169,403.10 and 98,573.80 is: 147,509.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,204.20 : 169,403.10 = 98,573.80 : x
  2. Step 2: Convert to fraction form
    113,204.20/169,403.10 = 98,573.80/x
  3. Step 3: Cross multiply
    113,204.20x = 169,403.10 × 98,573.80
  4. Step 4: Simplify right side
    113,204.20x = 16,698,707,298.78
  5. Step 5: Solve for x
    x = 16,698,707,298.78/113,204.20
  6. Step 6: Final answer
    x = 147,509.61

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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.