Home / 124,028.20-185,837.10-71,345.80

Finding the Fourth Proportional to 124,028.20, 185,837.10 and 71,345.80

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Solution

The fourth proportional to 124,028.20, 185,837.10 and 71,345.80 is: 106,900.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,028.20 : 185,837.10 = 71,345.80 : x
  2. Step 2: Convert to fraction form
    124,028.20/185,837.10 = 71,345.80/x
  3. Step 3: Cross multiply
    124,028.20x = 185,837.10 × 71,345.80
  4. Step 4: Simplify right side
    124,028.20x = 13,258,696,569.18
  5. Step 5: Solve for x
    x = 13,258,696,569.18/124,028.20
  6. Step 6: Final answer
    x = 106,900.66

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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.