Home / 82,268.39-123,386.90-40,106.07

Finding the Fourth Proportional to 82,268.39, 123,386.90 and 40,106.07

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Solution

The fourth proportional to 82,268.39, 123,386.90 and 40,106.07 is: 60,151.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,268.39 : 123,386.90 = 40,106.07 : x
  2. Step 2: Convert to fraction form
    82,268.39/123,386.90 = 40,106.07/x
  3. Step 3: Cross multiply
    82,268.39x = 123,386.90 × 40,106.07
  4. Step 4: Simplify right side
    82,268.39x = 4,948,563,447.95
  5. Step 5: Solve for x
    x = 4,948,563,447.95/82,268.39
  6. Step 6: Final answer
    x = 60,151.45

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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.