Home / 104,064.31-156,033.25-40,808.65

Finding the Fourth Proportional to 104,064.31, 156,033.25 and 40,808.65

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Solution

The fourth proportional to 104,064.31, 156,033.25 and 40,808.65 is: 61,188.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,064.31 : 156,033.25 = 40,808.65 : x
  2. Step 2: Convert to fraction form
    104,064.31/156,033.25 = 40,808.65/x
  3. Step 3: Cross multiply
    104,064.31x = 156,033.25 × 40,808.65
  4. Step 4: Simplify right side
    104,064.31x = 6,367,506,287.61
  5. Step 5: Solve for x
    x = 6,367,506,287.61/104,064.31
  6. Step 6: Final answer
    x = 61,188.19

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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.