Home / 90,837.30-136,255.95-49,365.30

Finding the Fourth Proportional to 90,837.30, 136,255.95 and 49,365.30

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Solution

The fourth proportional to 90,837.30, 136,255.95 and 49,365.30 is: 74,047.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,837.30 : 136,255.95 = 49,365.30 : x
  2. Step 2: Convert to fraction form
    90,837.30/136,255.95 = 49,365.30/x
  3. Step 3: Cross multiply
    90,837.30x = 136,255.95 × 49,365.30
  4. Step 4: Simplify right side
    90,837.30x = 6,726,315,848.54
  5. Step 5: Solve for x
    x = 6,726,315,848.54/90,837.30
  6. Step 6: Final answer
    x = 74,047.95

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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.