Home / 247,916.43-342,123.03-134,739.18

Finding the Fourth Proportional to 247,916.43, 342,123.03 and 134,739.18

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Solution

The fourth proportional to 247,916.43, 342,123.03 and 134,739.18 is: 185,939.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,916.43 : 342,123.03 = 134,739.18 : x
  2. Step 2: Convert to fraction form
    247,916.43/342,123.03 = 134,739.18/x
  3. Step 3: Cross multiply
    247,916.43x = 342,123.03 × 134,739.18
  4. Step 4: Simplify right side
    247,916.43x = 46,097,376,521.32
  5. Step 5: Solve for x
    x = 46,097,376,521.32/247,916.43
  6. Step 6: Final answer
    x = 185,939.18

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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.