Home / 143,527.08-198,058.32-79,863.24

Finding the Fourth Proportional to 143,527.08, 198,058.32 and 79,863.24

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Solution

The fourth proportional to 143,527.08, 198,058.32 and 79,863.24 is: 110,206.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,527.08 : 198,058.32 = 79,863.24 : x
  2. Step 2: Convert to fraction form
    143,527.08/198,058.32 = 79,863.24/x
  3. Step 3: Cross multiply
    143,527.08x = 198,058.32 × 79,863.24
  4. Step 4: Simplify right side
    143,527.08x = 15,817,579,144.16
  5. Step 5: Solve for x
    x = 15,817,579,144.16/143,527.08
  6. Step 6: Final answer
    x = 110,206.24

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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.