Home / 138,017.22-207,025.57-43,254.66

Finding the Fourth Proportional to 138,017.22, 207,025.57 and 43,254.66

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Solution

The fourth proportional to 138,017.22, 207,025.57 and 43,254.66 is: 64,881.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,017.22 : 207,025.57 = 43,254.66 : x
  2. Step 2: Convert to fraction form
    138,017.22/207,025.57 = 43,254.66/x
  3. Step 3: Cross multiply
    138,017.22x = 207,025.57 × 43,254.66
  4. Step 4: Simplify right side
    138,017.22x = 8,954,820,307.55
  5. Step 5: Solve for x
    x = 8,954,820,307.55/138,017.22
  6. Step 6: Final answer
    x = 64,881.91

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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.