Home / 140,387.34-193,735.11-76,725.15

Finding the Fourth Proportional to 140,387.34, 193,735.11 and 76,725.15

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Solution

The fourth proportional to 140,387.34, 193,735.11 and 76,725.15 is: 105,881.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,387.34 : 193,735.11 = 76,725.15 : x
  2. Step 2: Convert to fraction form
    140,387.34/193,735.11 = 76,725.15/x
  3. Step 3: Cross multiply
    140,387.34x = 193,735.11 × 76,725.15
  4. Step 4: Simplify right side
    140,387.34x = 14,864,355,375.02
  5. Step 5: Solve for x
    x = 14,864,355,375.02/140,387.34
  6. Step 6: Final answer
    x = 105,881.02

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1.5x scale

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.