Home / 140,657.23-210,930.25-45,864.11

Finding the Fourth Proportional to 140,657.23, 210,930.25 and 45,864.11

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Solution

The fourth proportional to 140,657.23, 210,930.25 and 45,864.11 is: 68,778.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,657.23 : 210,930.25 = 45,864.11 : x
  2. Step 2: Convert to fraction form
    140,657.23/210,930.25 = 45,864.11/x
  3. Step 3: Cross multiply
    140,657.23x = 210,930.25 × 45,864.11
  4. Step 4: Simplify right side
    140,657.23x = 9,674,127,133.68
  5. Step 5: Solve for x
    x = 9,674,127,133.68/140,657.23
  6. Step 6: Final answer
    x = 68,778.03

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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.