Home / 185,787.54-278,415.63-148,461.12

Finding the Fourth Proportional to 185,787.54, 278,415.63 and 148,461.12

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Solution

The fourth proportional to 185,787.54, 278,415.63 and 148,461.12 is: 222,479.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,787.54 : 278,415.63 = 148,461.12 : x
  2. Step 2: Convert to fraction form
    185,787.54/278,415.63 = 148,461.12/x
  3. Step 3: Cross multiply
    185,787.54x = 278,415.63 × 148,461.12
  4. Step 4: Simplify right side
    185,787.54x = 41,333,896,255.31
  5. Step 5: Solve for x
    x = 41,333,896,255.31/185,787.54
  6. Step 6: Final answer
    x = 222,479.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.