Home / 143,058.33-197,423.73-79,400.22

Finding the Fourth Proportional to 143,058.33, 197,423.73 and 79,400.22

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Solution

The fourth proportional to 143,058.33, 197,423.73 and 79,400.22 is: 109,574.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,058.33 : 197,423.73 = 79,400.22 : x
  2. Step 2: Convert to fraction form
    143,058.33/197,423.73 = 79,400.22/x
  3. Step 3: Cross multiply
    143,058.33x = 197,423.73 × 79,400.22
  4. Step 4: Simplify right side
    143,058.33x = 15,675,487,595.22
  5. Step 5: Solve for x
    x = 15,675,487,595.22/143,058.33
  6. Step 6: Final answer
    x = 109,574.10

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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.