Home / 99,965.06-149,873.51-60,512.84

Finding the Fourth Proportional to 99,965.06, 149,873.51 and 60,512.84

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Solution

The fourth proportional to 99,965.06, 149,873.51 and 60,512.84 is: 90,724.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,965.06 : 149,873.51 = 60,512.84 : x
  2. Step 2: Convert to fraction form
    99,965.06/149,873.51 = 60,512.84/x
  3. Step 3: Cross multiply
    99,965.06x = 149,873.51 × 60,512.84
  4. Step 4: Simplify right side
    99,965.06x = 9,069,271,730.87
  5. Step 5: Solve for x
    x = 9,069,271,730.87/99,965.06
  6. Step 6: Final answer
    x = 90,724.42

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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.