Home / 140,148.73-210,098.10-51,381.55

Finding the Fourth Proportional to 140,148.73, 210,098.10 and 51,381.55

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Solution

The fourth proportional to 140,148.73, 210,098.10 and 51,381.55 is: 77,026.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,148.73 : 210,098.10 = 51,381.55 : x
  2. Step 2: Convert to fraction form
    140,148.73/210,098.10 = 51,381.55/x
  3. Step 3: Cross multiply
    140,148.73x = 210,098.10 × 51,381.55
  4. Step 4: Simplify right side
    140,148.73x = 10,795,164,979.56
  5. Step 5: Solve for x
    x = 10,795,164,979.56/140,148.73
  6. Step 6: Final answer
    x = 77,026.49

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1.5x scale

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.