Home / 108,843.13-163,233.78-42,269.05

Finding the Fourth Proportional to 108,843.13, 163,233.78 and 42,269.05

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Solution

The fourth proportional to 108,843.13, 163,233.78 and 42,269.05 is: 63,391.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,843.13 : 163,233.78 = 42,269.05 : x
  2. Step 2: Convert to fraction form
    108,843.13/163,233.78 = 42,269.05/x
  3. Step 3: Cross multiply
    108,843.13x = 163,233.78 × 42,269.05
  4. Step 4: Simplify right side
    108,843.13x = 6,899,736,808.51
  5. Step 5: Solve for x
    x = 6,899,736,808.51/108,843.13
  6. Step 6: Final answer
    x = 63,391.57

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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.