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Finding the Fourth Proportional to 140,141.01, 210,204.66 and 40,300.41

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Solution

The fourth proportional to 140,141.01, 210,204.66 and 40,300.41 is: 60,448.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,141.01 : 210,204.66 = 40,300.41 : x
  2. Step 2: Convert to fraction form
    140,141.01/210,204.66 = 40,300.41/x
  3. Step 3: Cross multiply
    140,141.01x = 210,204.66 × 40,300.41
  4. Step 4: Simplify right side
    140,141.01x = 8,471,333,981.91
  5. Step 5: Solve for x
    x = 8,471,333,981.91/140,141.01
  6. Step 6: Final answer
    x = 60,448.64

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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.