Home / 98,107.43-135,402.00-57,284.91

Finding the Fourth Proportional to 98,107.43, 135,402.00 and 57,284.91

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Solution

The fourth proportional to 98,107.43, 135,402.00 and 57,284.91 is: 79,061.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,107.43 : 135,402.00 = 57,284.91 : x
  2. Step 2: Convert to fraction form
    98,107.43/135,402.00 = 57,284.91/x
  3. Step 3: Cross multiply
    98,107.43x = 135,402.00 × 57,284.91
  4. Step 4: Simplify right side
    98,107.43x = 7,756,491,097.40
  5. Step 5: Solve for x
    x = 7,756,491,097.40/98,107.43
  6. Step 6: Final answer
    x = 79,061.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.