Home / 140,572.08-210,828.96-51,802.56

Finding the Fourth Proportional to 140,572.08, 210,828.96 and 51,802.56

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Solution

The fourth proportional to 140,572.08, 210,828.96 and 51,802.56 is: 77,693.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,572.08 : 210,828.96 = 51,802.56 : x
  2. Step 2: Convert to fraction form
    140,572.08/210,828.96 = 51,802.56/x
  3. Step 3: Cross multiply
    140,572.08x = 210,828.96 × 51,802.56
  4. Step 4: Simplify right side
    140,572.08x = 10,921,479,850.14
  5. Step 5: Solve for x
    x = 10,921,479,850.14/140,572.08
  6. Step 6: Final answer
    x = 77,693.09

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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.