Home / 81,458.95-122,207.55-25,296.16

Finding the Fourth Proportional to 81,458.95, 122,207.55 and 25,296.16

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Solution

The fourth proportional to 81,458.95, 122,207.55 and 25,296.16 is: 37,950.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,458.95 : 122,207.55 = 25,296.16 : x
  2. Step 2: Convert to fraction form
    81,458.95/122,207.55 = 25,296.16/x
  3. Step 3: Cross multiply
    81,458.95x = 122,207.55 × 25,296.16
  4. Step 4: Simplify right side
    81,458.95x = 3,091,381,738.01
  5. Step 5: Solve for x
    x = 3,091,381,738.01/81,458.95
  6. Step 6: Final answer
    x = 37,950.18

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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.