Home / 143,705.46-198,298.62-88,506.02

Finding the Fourth Proportional to 143,705.46, 198,298.62 and 88,506.02

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Solution

The fourth proportional to 143,705.46, 198,298.62 and 88,506.02 is: 122,129.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,705.46 : 198,298.62 = 88,506.02 : x
  2. Step 2: Convert to fraction form
    143,705.46/198,298.62 = 88,506.02/x
  3. Step 3: Cross multiply
    143,705.46x = 198,298.62 × 88,506.02
  4. Step 4: Simplify right side
    143,705.46x = 17,550,621,627.69
  5. Step 5: Solve for x
    x = 17,550,621,627.69/143,705.46
  6. Step 6: Final answer
    x = 122,129.12

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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.