Home / 183,733.13-275,617.10-71,422.03

Finding the Fourth Proportional to 183,733.13, 275,617.10 and 71,422.03

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Solution

The fourth proportional to 183,733.13, 275,617.10 and 71,422.03 is: 107,139.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,733.13 : 275,617.10 = 71,422.03 : x
  2. Step 2: Convert to fraction form
    183,733.13/275,617.10 = 71,422.03/x
  3. Step 3: Cross multiply
    183,733.13x = 275,617.10 × 71,422.03
  4. Step 4: Simplify right side
    183,733.13x = 19,685,132,784.71
  5. Step 5: Solve for x
    x = 19,685,132,784.71/183,733.13
  6. Step 6: Final answer
    x = 107,139.81

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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.