Home / 99,104.94-148,680.09-42,954.45

Finding the Fourth Proportional to 99,104.94, 148,680.09 and 42,954.45

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Solution

The fourth proportional to 99,104.94, 148,680.09 and 42,954.45 is: 64,441.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,104.94 : 148,680.09 = 42,954.45 : x
  2. Step 2: Convert to fraction form
    99,104.94/148,680.09 = 42,954.45/x
  3. Step 3: Cross multiply
    99,104.94x = 148,680.09 × 42,954.45
  4. Step 4: Simplify right side
    99,104.94x = 6,386,471,491.90
  5. Step 5: Solve for x
    x = 6,386,471,491.90/99,104.94
  6. Step 6: Final answer
    x = 64,441.51

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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.