Home / 99,529.80-149,376.30-98,752.20

Finding the Fourth Proportional to 99,529.80, 149,376.30 and 98,752.20

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Solution

The fourth proportional to 99,529.80, 149,376.30 and 98,752.20 is: 148,209.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,529.80 : 149,376.30 = 98,752.20 : x
  2. Step 2: Convert to fraction form
    99,529.80/149,376.30 = 98,752.20/x
  3. Step 3: Cross multiply
    99,529.80x = 149,376.30 × 98,752.20
  4. Step 4: Simplify right side
    99,529.80x = 14,751,238,252.86
  5. Step 5: Solve for x
    x = 14,751,238,252.86/99,529.80
  6. Step 6: Final answer
    x = 148,209.26

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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.