Home / 108,926.87-163,406.90-55,589.76

Finding the Fourth Proportional to 108,926.87, 163,406.90 and 55,589.76

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Solution

The fourth proportional to 108,926.87, 163,406.90 and 55,589.76 is: 83,393.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,926.87 : 163,406.90 = 55,589.76 : x
  2. Step 2: Convert to fraction form
    108,926.87/163,406.90 = 55,589.76/x
  3. Step 3: Cross multiply
    108,926.87x = 163,406.90 × 55,589.76
  4. Step 4: Simplify right side
    108,926.87x = 9,083,750,492.32
  5. Step 5: Solve for x
    x = 9,083,750,492.32/108,926.87
  6. Step 6: Final answer
    x = 83,393.11

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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.