Home / 252,336.78-348,220.40-137,616.35

Finding the Fourth Proportional to 252,336.78, 348,220.40 and 137,616.35

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Solution

The fourth proportional to 252,336.78, 348,220.40 and 137,616.35 is: 189,908.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,336.78 : 348,220.40 = 137,616.35 : x
  2. Step 2: Convert to fraction form
    252,336.78/348,220.40 = 137,616.35/x
  3. Step 3: Cross multiply
    252,336.78x = 348,220.40 × 137,616.35
  4. Step 4: Simplify right side
    252,336.78x = 47,920,818,014.36
  5. Step 5: Solve for x
    x = 47,920,818,014.36/252,336.78
  6. Step 6: Final answer
    x = 189,908.18

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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.