Home / 120,759.17-181,202.54-87,752.07

Finding the Fourth Proportional to 120,759.17, 181,202.54 and 87,752.07

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Solution

The fourth proportional to 120,759.17, 181,202.54 and 87,752.07 is: 131,674.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,759.17 : 181,202.54 = 87,752.07 : x
  2. Step 2: Convert to fraction form
    120,759.17/181,202.54 = 87,752.07/x
  3. Step 3: Cross multiply
    120,759.17x = 181,202.54 × 87,752.07
  4. Step 4: Simplify right side
    120,759.17x = 15,900,897,535.50
  5. Step 5: Solve for x
    x = 15,900,897,535.50/120,759.17
  6. Step 6: Final answer
    x = 131,674.46

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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.