Home / 108,898.19-150,275.61-61,153.55

Finding the Fourth Proportional to 108,898.19, 150,275.61 and 61,153.55

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Solution

The fourth proportional to 108,898.19, 150,275.61 and 61,153.55 is: 84,389.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,898.19 : 150,275.61 = 61,153.55 : x
  2. Step 2: Convert to fraction form
    108,898.19/150,275.61 = 61,153.55/x
  3. Step 3: Cross multiply
    108,898.19x = 150,275.61 × 61,153.55
  4. Step 4: Simplify right side
    108,898.19x = 9,189,886,278.54
  5. Step 5: Solve for x
    x = 9,189,886,278.54/108,898.19
  6. Step 6: Final answer
    x = 84,389.71

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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.