Home / 91,519.17-137,246.59-27,458.22

Finding the Fourth Proportional to 91,519.17, 137,246.59 and 27,458.22

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Solution

The fourth proportional to 91,519.17, 137,246.59 and 27,458.22 is: 41,177.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,519.17 : 137,246.59 = 27,458.22 : x
  2. Step 2: Convert to fraction form
    91,519.17/137,246.59 = 27,458.22/x
  3. Step 3: Cross multiply
    91,519.17x = 137,246.59 × 27,458.22
  4. Step 4: Simplify right side
    91,519.17x = 3,768,547,062.47
  5. Step 5: Solve for x
    x = 3,768,547,062.47/91,519.17
  6. Step 6: Final answer
    x = 41,177.68

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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.