Home / 142,898.47-197,201.06-79,237.33

Finding the Fourth Proportional to 142,898.47, 197,201.06 and 79,237.33

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Solution

The fourth proportional to 142,898.47, 197,201.06 and 79,237.33 is: 109,348.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,898.47 : 197,201.06 = 79,237.33 : x
  2. Step 2: Convert to fraction form
    142,898.47/197,201.06 = 79,237.33/x
  3. Step 3: Cross multiply
    142,898.47x = 197,201.06 × 79,237.33
  4. Step 4: Simplify right side
    142,898.47x = 15,625,685,467.57
  5. Step 5: Solve for x
    x = 15,625,685,467.57/142,898.47
  6. Step 6: Final answer
    x = 109,348.16

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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.