Home / 104,062.31-156,030.25-40,806.65

Finding the Fourth Proportional to 104,062.31, 156,030.25 and 40,806.65

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Solution

The fourth proportional to 104,062.31, 156,030.25 and 40,806.65 is: 61,185.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,062.31 : 156,030.25 = 40,806.65 : x
  2. Step 2: Convert to fraction form
    104,062.31/156,030.25 = 40,806.65/x
  3. Step 3: Cross multiply
    104,062.31x = 156,030.25 × 40,806.65
  4. Step 4: Simplify right side
    104,062.31x = 6,367,071,801.16
  5. Step 5: Solve for x
    x = 6,367,071,801.16/104,062.31
  6. Step 6: Final answer
    x = 61,185.19

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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.