Home / 197,681.76-296,478.17-90,963.35

Finding the Fourth Proportional to 197,681.76, 296,478.17 and 90,963.35

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Solution

The fourth proportional to 197,681.76, 296,478.17 and 90,963.35 is: 136,424.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,681.76 : 296,478.17 = 90,963.35 : x
  2. Step 2: Convert to fraction form
    197,681.76/296,478.17 = 90,963.35/x
  3. Step 3: Cross multiply
    197,681.76x = 296,478.17 × 90,963.35
  4. Step 4: Simplify right side
    197,681.76x = 26,968,645,607.86
  5. Step 5: Solve for x
    x = 26,968,645,607.86/197,681.76
  6. Step 6: Final answer
    x = 136,424.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.