Home / 197,488.78-272,527.77-112,633.18

Finding the Fourth Proportional to 197,488.78, 272,527.77 and 112,633.18

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Solution

The fourth proportional to 197,488.78, 272,527.77 and 112,633.18 is: 155,429.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,488.78 : 272,527.77 = 112,633.18 : x
  2. Step 2: Convert to fraction form
    197,488.78/272,527.77 = 112,633.18/x
  3. Step 3: Cross multiply
    197,488.78x = 272,527.77 × 112,633.18
  4. Step 4: Simplify right side
    197,488.78x = 30,695,669,114.46
  5. Step 5: Solve for x
    x = 30,695,669,114.46/197,488.78
  6. Step 6: Final answer
    x = 155,429.94

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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.