Home / 239,234.56-330,142-131,802.08

Finding the Fourth Proportional to 239,234.56, 330,142 and 131,802.08

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Solution

The fourth proportional to 239,234.56, 330,142 and 131,802.08 is: 181,885.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,234.56 : 330,142 = 131,802.08 : x
  2. Step 2: Convert to fraction form
    239,234.56/330,142 = 131,802.08/x
  3. Step 3: Cross multiply
    239,234.56x = 330,142 × 131,802.08
  4. Step 4: Simplify right side
    239,234.56x = 43,513,402,295.36
  5. Step 5: Solve for x
    x = 43,513,402,295.36/239,234.56
  6. Step 6: Final answer
    x = 181,885.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.