Home / 131,282.52-181,174.05-74,697.54

Finding the Fourth Proportional to 131,282.52, 181,174.05 and 74,697.54

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Solution

The fourth proportional to 131,282.52, 181,174.05 and 74,697.54 is: 103,084.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,282.52 : 181,174.05 = 74,697.54 : x
  2. Step 2: Convert to fraction form
    131,282.52/181,174.05 = 74,697.54/x
  3. Step 3: Cross multiply
    131,282.52x = 181,174.05 × 74,697.54
  4. Step 4: Simplify right side
    131,282.52x = 13,533,255,846.84
  5. Step 5: Solve for x
    x = 13,533,255,846.84/131,282.52
  6. Step 6: Final answer
    x = 103,084.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.