Home / 252,787.50-348,848.46-138,063.24

Finding the Fourth Proportional to 252,787.50, 348,848.46 and 138,063.24

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Solution

The fourth proportional to 252,787.50, 348,848.46 and 138,063.24 is: 190,528.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,787.50 : 348,848.46 = 138,063.24 : x
  2. Step 2: Convert to fraction form
    252,787.50/348,848.46 = 138,063.24/x
  3. Step 3: Cross multiply
    252,787.50x = 348,848.46 × 138,063.24
  4. Step 4: Simplify right side
    252,787.50x = 48,163,148,656.61
  5. Step 5: Solve for x
    x = 48,163,148,656.61/252,787.50
  6. Step 6: Final answer
    x = 190,528.21

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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.