Home / 136,770.88-205,112.02-45,562.08

Finding the Fourth Proportional to 136,770.88, 205,112.02 and 45,562.08

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Solution

The fourth proportional to 136,770.88, 205,112.02 and 45,562.08 is: 68,328.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,770.88 : 205,112.02 = 45,562.08 : x
  2. Step 2: Convert to fraction form
    136,770.88/205,112.02 = 45,562.08/x
  3. Step 3: Cross multiply
    136,770.88x = 205,112.02 × 45,562.08
  4. Step 4: Simplify right side
    136,770.88x = 9,345,330,264.20
  5. Step 5: Solve for x
    x = 9,345,330,264.20/136,770.88
  6. Step 6: Final answer
    x = 68,328.36

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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.