Home / 108,210.90-162,316.35-100,337.70

Finding the Fourth Proportional to 108,210.90, 162,316.35 and 100,337.70

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Solution

The fourth proportional to 108,210.90, 162,316.35 and 100,337.70 is: 150,506.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,210.90 : 162,316.35 = 100,337.70 : x
  2. Step 2: Convert to fraction form
    108,210.90/162,316.35 = 100,337.70/x
  3. Step 3: Cross multiply
    108,210.90x = 162,316.35 × 100,337.70
  4. Step 4: Simplify right side
    108,210.90x = 16,286,449,231.40
  5. Step 5: Solve for x
    x = 16,286,449,231.40/108,210.90
  6. Step 6: Final answer
    x = 150,506.55

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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.