Home / 108,375.40-162,908.70-102,154.60

Finding the Fourth Proportional to 108,375.40, 162,908.70 and 102,154.60

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Solution

The fourth proportional to 108,375.40, 162,908.70 and 102,154.60 is: 153,557.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,375.40 : 162,908.70 = 102,154.60 : x
  2. Step 2: Convert to fraction form
    108,375.40/162,908.70 = 102,154.60/x
  3. Step 3: Cross multiply
    108,375.40x = 162,908.70 × 102,154.60
  4. Step 4: Simplify right side
    108,375.40x = 16,641,873,085.02
  5. Step 5: Solve for x
    x = 16,641,873,085.02/108,375.40
  6. Step 6: Final answer
    x = 153,557.66

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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.