Home / 108,881.28-150,262.02-61,141.50

Finding the Fourth Proportional to 108,881.28, 150,262.02 and 61,141.50

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Solution

The fourth proportional to 108,881.28, 150,262.02 and 61,141.50 is: 84,378.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,881.28 : 150,262.02 = 61,141.50 : x
  2. Step 2: Convert to fraction form
    108,881.28/150,262.02 = 61,141.50/x
  3. Step 3: Cross multiply
    108,881.28x = 150,262.02 × 61,141.50
  4. Step 4: Simplify right side
    108,881.28x = 9,187,245,295.83
  5. Step 5: Solve for x
    x = 9,187,245,295.83/108,881.28
  6. Step 6: Final answer
    x = 84,378.56

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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.