Home / 110,811.85-165,979.02-75,077.11

Finding the Fourth Proportional to 110,811.85, 165,979.02 and 75,077.11

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Solution

The fourth proportional to 110,811.85, 165,979.02 and 75,077.11 is: 112,453.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,811.85 : 165,979.02 = 75,077.11 : x
  2. Step 2: Convert to fraction form
    110,811.85/165,979.02 = 75,077.11/x
  3. Step 3: Cross multiply
    110,811.85x = 165,979.02 × 75,077.11
  4. Step 4: Simplify right side
    110,811.85x = 12,461,225,631.25
  5. Step 5: Solve for x
    x = 12,461,225,631.25/110,811.85
  6. Step 6: Final answer
    x = 112,453.91

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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.