Home / 90,829.80-136,244.70-25,165.80

Finding the Fourth Proportional to 90,829.80, 136,244.70 and 25,165.80

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Solution

The fourth proportional to 90,829.80, 136,244.70 and 25,165.80 is: 37,748.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,829.80 : 136,244.70 = 25,165.80 : x
  2. Step 2: Convert to fraction form
    90,829.80/136,244.70 = 25,165.80/x
  3. Step 3: Cross multiply
    90,829.80x = 136,244.70 × 25,165.80
  4. Step 4: Simplify right side
    90,829.80x = 3,428,706,871.26
  5. Step 5: Solve for x
    x = 3,428,706,871.26/90,829.80
  6. Step 6: Final answer
    x = 37,748.70

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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.