Home / 183,402.40-274,943.60-71,159.20

Finding the Fourth Proportional to 183,402.40, 274,943.60 and 71,159.20

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Solution

The fourth proportional to 183,402.40, 274,943.60 and 71,159.20 is: 106,676.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,402.40 : 274,943.60 = 71,159.20 : x
  2. Step 2: Convert to fraction form
    183,402.40/274,943.60 = 71,159.20/x
  3. Step 3: Cross multiply
    183,402.40x = 274,943.60 × 71,159.20
  4. Step 4: Simplify right side
    183,402.40x = 19,564,766,621.12
  5. Step 5: Solve for x
    x = 19,564,766,621.12/183,402.40
  6. Step 6: Final answer
    x = 106,676.72

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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.