Home / 140,141.55-210,169.85-51,402.27

Finding the Fourth Proportional to 140,141.55, 210,169.85 and 51,402.27

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Solution

The fourth proportional to 140,141.55, 210,169.85 and 51,402.27 is: 77,087.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,141.55 : 210,169.85 = 51,402.27 : x
  2. Step 2: Convert to fraction form
    140,141.55/210,169.85 = 51,402.27/x
  3. Step 3: Cross multiply
    140,141.55x = 210,169.85 × 51,402.27
  4. Step 4: Simplify right side
    140,141.55x = 10,803,207,118.55
  5. Step 5: Solve for x
    x = 10,803,207,118.55/140,141.55
  6. Step 6: Final answer
    x = 77,087.82

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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.