Home / 131,598.40-181,610.52-75,000.64

Finding the Fourth Proportional to 131,598.40, 181,610.52 and 75,000.64

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Solution

The fourth proportional to 131,598.40, 181,610.52 and 75,000.64 is: 103,503.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,598.40 : 181,610.52 = 75,000.64 : x
  2. Step 2: Convert to fraction form
    131,598.40/181,610.52 = 75,000.64/x
  3. Step 3: Cross multiply
    131,598.40x = 181,610.52 × 75,000.64
  4. Step 4: Simplify right side
    131,598.40x = 13,620,905,230.73
  5. Step 5: Solve for x
    x = 13,620,905,230.73/131,598.40
  6. Step 6: Final answer
    x = 103,503.58

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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.