Home / 123,994.53-170,808.75-89,902.85

Finding the Fourth Proportional to 123,994.53, 170,808.75 and 89,902.85

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Solution

The fourth proportional to 123,994.53, 170,808.75 and 89,902.85 is: 123,845.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,994.53 : 170,808.75 = 89,902.85 : x
  2. Step 2: Convert to fraction form
    123,994.53/170,808.75 = 89,902.85/x
  3. Step 3: Cross multiply
    123,994.53x = 170,808.75 × 89,902.85
  4. Step 4: Simplify right side
    123,994.53x = 15,356,192,575.89
  5. Step 5: Solve for x
    x = 15,356,192,575.89/123,994.53
  6. Step 6: Final answer
    x = 123,845.73

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1.5x scale

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.