Home / 110,818.02-166,225.67-75,191.11

Finding the Fourth Proportional to 110,818.02, 166,225.67 and 75,191.11

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Solution

The fourth proportional to 110,818.02, 166,225.67 and 75,191.11 is: 112,785.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,818.02 : 166,225.67 = 75,191.11 : x
  2. Step 2: Convert to fraction form
    110,818.02/166,225.67 = 75,191.11/x
  3. Step 3: Cross multiply
    110,818.02x = 166,225.67 × 75,191.11
  4. Step 4: Simplify right side
    110,818.02x = 12,498,692,595.75
  5. Step 5: Solve for x
    x = 12,498,692,595.75/110,818.02
  6. Step 6: Final answer
    x = 112,785.74

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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.