Home / 122,421.17-183,569.24-71,918.83

Finding the Fourth Proportional to 122,421.17, 183,569.24 and 71,918.83

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Solution

The fourth proportional to 122,421.17, 183,569.24 and 71,918.83 is: 107,841.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,421.17 : 183,569.24 = 71,918.83 : x
  2. Step 2: Convert to fraction form
    122,421.17/183,569.24 = 71,918.83/x
  3. Step 3: Cross multiply
    122,421.17x = 183,569.24 × 71,918.83
  4. Step 4: Simplify right side
    122,421.17x = 13,202,084,964.79
  5. Step 5: Solve for x
    x = 13,202,084,964.79/122,421.17
  6. Step 6: Final answer
    x = 107,841.52

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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.