Home / 122,301.90-183,234.15-103,493.70

Finding the Fourth Proportional to 122,301.90, 183,234.15 and 103,493.70

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Solution

The fourth proportional to 122,301.90, 183,234.15 and 103,493.70 is: 155,055.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,301.90 : 183,234.15 = 103,493.70 : x
  2. Step 2: Convert to fraction form
    122,301.90/183,234.15 = 103,493.70/x
  3. Step 3: Cross multiply
    122,301.90x = 183,234.15 × 103,493.70
  4. Step 4: Simplify right side
    122,301.90x = 18,963,580,149.86
  5. Step 5: Solve for x
    x = 18,963,580,149.86/122,301.90
  6. Step 6: Final answer
    x = 155,055.48

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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.