Home / 91,104.48-136,671.36-28,770.24

Finding the Fourth Proportional to 91,104.48, 136,671.36 and 28,770.24

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Solution

The fourth proportional to 91,104.48, 136,671.36 and 28,770.24 is: 43,159.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,104.48 : 136,671.36 = 28,770.24 : x
  2. Step 2: Convert to fraction form
    91,104.48/136,671.36 = 28,770.24/x
  3. Step 3: Cross multiply
    91,104.48x = 136,671.36 × 28,770.24
  4. Step 4: Simplify right side
    91,104.48x = 3,932,067,828.33
  5. Step 5: Solve for x
    x = 3,932,067,828.33/91,104.48
  6. Step 6: Final answer
    x = 43,159.98

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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.