Home / 108,877.86-163,253.21-42,240.12

Finding the Fourth Proportional to 108,877.86, 163,253.21 and 42,240.12

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Solution

The fourth proportional to 108,877.86, 163,253.21 and 42,240.12 is: 63,335.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,877.86 : 163,253.21 = 42,240.12 : x
  2. Step 2: Convert to fraction form
    108,877.86/163,253.21 = 42,240.12/x
  3. Step 3: Cross multiply
    108,877.86x = 163,253.21 × 42,240.12
  4. Step 4: Simplify right side
    108,877.86x = 6,895,834,969.58
  5. Step 5: Solve for x
    x = 6,895,834,969.58/108,877.86
  6. Step 6: Final answer
    x = 63,335.51

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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.