Home / 90,871.13-136,365-44,098.49

Finding the Fourth Proportional to 90,871.13, 136,365 and 44,098.49

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Solution

The fourth proportional to 90,871.13, 136,365 and 44,098.49 is: 66,176.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,871.13 : 136,365 = 44,098.49 : x
  2. Step 2: Convert to fraction form
    90,871.13/136,365 = 44,098.49/x
  3. Step 3: Cross multiply
    90,871.13x = 136,365 × 44,098.49
  4. Step 4: Simplify right side
    90,871.13x = 6,013,490,588.85
  5. Step 5: Solve for x
    x = 6,013,490,588.85/90,871.13
  6. Step 6: Final answer
    x = 66,176.03

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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.