Home / 178,688.31-246,578.67-98,115.45

Finding the Fourth Proportional to 178,688.31, 246,578.67 and 98,115.45

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Solution

The fourth proportional to 178,688.31, 246,578.67 and 98,115.45 is: 135,393.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,688.31 : 246,578.67 = 98,115.45 : x
  2. Step 2: Convert to fraction form
    178,688.31/246,578.67 = 98,115.45/x
  3. Step 3: Cross multiply
    178,688.31x = 246,578.67 × 98,115.45
  4. Step 4: Simplify right side
    178,688.31x = 24,193,177,167.45
  5. Step 5: Solve for x
    x = 24,193,177,167.45/178,688.31
  6. Step 6: Final answer
    x = 135,393.17

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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.