Home / 90,184.67-135,308.02-40,299.20

Finding the Fourth Proportional to 90,184.67, 135,308.02 and 40,299.20

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Solution

The fourth proportional to 90,184.67, 135,308.02 and 40,299.20 is: 60,462.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,184.67 : 135,308.02 = 40,299.20 : x
  2. Step 2: Convert to fraction form
    90,184.67/135,308.02 = 40,299.20/x
  3. Step 3: Cross multiply
    90,184.67x = 135,308.02 × 40,299.20
  4. Step 4: Simplify right side
    90,184.67x = 5,452,804,959.58
  5. Step 5: Solve for x
    x = 5,452,804,959.58/90,184.67
  6. Step 6: Final answer
    x = 60,462.66

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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.