Home / 140,148.80-193,398.24-76,486.08

Finding the Fourth Proportional to 140,148.80, 193,398.24 and 76,486.08

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Solution

The fourth proportional to 140,148.80, 193,398.24 and 76,486.08 is: 105,546.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,148.80 : 193,398.24 = 76,486.08 : x
  2. Step 2: Convert to fraction form
    140,148.80/193,398.24 = 76,486.08/x
  3. Step 3: Cross multiply
    140,148.80x = 193,398.24 × 76,486.08
  4. Step 4: Simplify right side
    140,148.80x = 14,792,273,256.50
  5. Step 5: Solve for x
    x = 14,792,273,256.50/140,148.80
  6. Step 6: Final answer
    x = 105,546.91

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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.