Home / 138,110.84-206,833.95-93,602.55

Finding the Fourth Proportional to 138,110.84, 206,833.95 and 93,602.55

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Solution

The fourth proportional to 138,110.84, 206,833.95 and 93,602.55 is: 140,178.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,110.84 : 206,833.95 = 93,602.55 : x
  2. Step 2: Convert to fraction form
    138,110.84/206,833.95 = 93,602.55/x
  3. Step 3: Cross multiply
    138,110.84x = 206,833.95 × 93,602.55
  4. Step 4: Simplify right side
    138,110.84x = 19,360,185,146.57
  5. Step 5: Solve for x
    x = 19,360,185,146.57/138,110.84
  6. Step 6: Final answer
    x = 140,178.61

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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.