Home / 99,848.70-149,578.65-60,288.30

Finding the Fourth Proportional to 99,848.70, 149,578.65 and 60,288.30

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Solution

The fourth proportional to 99,848.70, 149,578.65 and 60,288.30 is: 90,315.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,848.70 : 149,578.65 = 60,288.30 : x
  2. Step 2: Convert to fraction form
    99,848.70/149,578.65 = 60,288.30/x
  3. Step 3: Cross multiply
    99,848.70x = 149,578.65 × 60,288.30
  4. Step 4: Simplify right side
    99,848.70x = 9,017,842,524.80
  5. Step 5: Solve for x
    x = 9,017,842,524.80/99,848.70
  6. Step 6: Final answer
    x = 90,315.07

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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.