Home / 108,835.10-150,182.07-61,077.50

Finding the Fourth Proportional to 108,835.10, 150,182.07 and 61,077.50

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Solution

The fourth proportional to 108,835.10, 150,182.07 and 61,077.50 is: 84,281.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,835.10 : 150,182.07 = 61,077.50 : x
  2. Step 2: Convert to fraction form
    108,835.10/150,182.07 = 61,077.50/x
  3. Step 3: Cross multiply
    108,835.10x = 150,182.07 × 61,077.50
  4. Step 4: Simplify right side
    108,835.10x = 9,172,745,380.43
  5. Step 5: Solve for x
    x = 9,172,745,380.43/108,835.10
  6. Step 6: Final answer
    x = 84,281.13

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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.