Home / 140,747.48-211,135.05-40,908.50

Finding the Fourth Proportional to 140,747.48, 211,135.05 and 40,908.50

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Solution

The fourth proportional to 140,747.48, 211,135.05 and 40,908.50 is: 61,366.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,747.48 : 211,135.05 = 40,908.50 : x
  2. Step 2: Convert to fraction form
    140,747.48/211,135.05 = 40,908.50/x
  3. Step 3: Cross multiply
    140,747.48x = 211,135.05 × 40,908.50
  4. Step 4: Simplify right side
    140,747.48x = 8,637,218,192.93
  5. Step 5: Solve for x
    x = 8,637,218,192.93/140,747.48
  6. Step 6: Final answer
    x = 61,366.77

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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.