Home / 108,105.93-162,159.48-70,901.61

Finding the Fourth Proportional to 108,105.93, 162,159.48 and 70,901.61

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Solution

The fourth proportional to 108,105.93, 162,159.48 and 70,901.61 is: 106,352.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,105.93 : 162,159.48 = 70,901.61 : x
  2. Step 2: Convert to fraction form
    108,105.93/162,159.48 = 70,901.61/x
  3. Step 3: Cross multiply
    108,105.93x = 162,159.48 × 70,901.61
  4. Step 4: Simplify right side
    108,105.93x = 11,497,367,600.66
  5. Step 5: Solve for x
    x = 11,497,367,600.66/108,105.93
  6. Step 6: Final answer
    x = 106,352.79

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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.