Home / 108,269.32-162,417.18-45,918.76

Finding the Fourth Proportional to 108,269.32, 162,417.18 and 45,918.76

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Solution

The fourth proportional to 108,269.32, 162,417.18 and 45,918.76 is: 68,883.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,269.32 : 162,417.18 = 45,918.76 : x
  2. Step 2: Convert to fraction form
    108,269.32/162,417.18 = 45,918.76/x
  3. Step 3: Cross multiply
    108,269.32x = 162,417.18 × 45,918.76
  4. Step 4: Simplify right side
    108,269.32x = 7,457,995,508.30
  5. Step 5: Solve for x
    x = 7,457,995,508.30/108,269.32
  6. Step 6: Final answer
    x = 68,883.74

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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.