Home / 142,177.86-196,237.62-101,937.06

Finding the Fourth Proportional to 142,177.86, 196,237.62 and 101,937.06

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Solution

The fourth proportional to 142,177.86, 196,237.62 and 101,937.06 is: 140,696.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,177.86 : 196,237.62 = 101,937.06 : x
  2. Step 2: Convert to fraction form
    142,177.86/196,237.62 = 101,937.06/x
  3. Step 3: Cross multiply
    142,177.86x = 196,237.62 × 101,937.06
  4. Step 4: Simplify right side
    142,177.86x = 20,003,886,044.20
  5. Step 5: Solve for x
    x = 20,003,886,044.20/142,177.86
  6. Step 6: Final answer
    x = 140,696.21

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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.