Home / 197,159.27-272,079.94-106,515.20

Finding the Fourth Proportional to 197,159.27, 272,079.94 and 106,515.20

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Solution

The fourth proportional to 197,159.27, 272,079.94 and 106,515.20 is: 146,991.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,159.27 : 272,079.94 = 106,515.20 : x
  2. Step 2: Convert to fraction form
    197,159.27/272,079.94 = 106,515.20/x
  3. Step 3: Cross multiply
    197,159.27x = 272,079.94 × 106,515.20
  4. Step 4: Simplify right side
    197,159.27x = 28,980,649,639.00
  5. Step 5: Solve for x
    x = 28,980,649,639.00/197,159.27
  6. Step 6: Final answer
    x = 146,991.06

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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.