Home / 140,623.91-210,957.78-45,832.10

Finding the Fourth Proportional to 140,623.91, 210,957.78 and 45,832.10

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Solution

The fourth proportional to 140,623.91, 210,957.78 and 45,832.10 is: 68,755.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,623.91 : 210,957.78 = 45,832.10 : x
  2. Step 2: Convert to fraction form
    140,623.91/210,957.78 = 45,832.10/x
  3. Step 3: Cross multiply
    140,623.91x = 210,957.78 × 45,832.10
  4. Step 4: Simplify right side
    140,623.91x = 9,668,637,437.45
  5. Step 5: Solve for x
    x = 9,668,637,437.45/140,623.91
  6. Step 6: Final answer
    x = 68,755.29

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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.