Home / 155,616.62-233,240.40-139,747.20

Finding the Fourth Proportional to 155,616.62, 233,240.40 and 139,747.20

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Solution

The fourth proportional to 155,616.62, 233,240.40 and 139,747.20 is: 209,455.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,616.62 : 233,240.40 = 139,747.20 : x
  2. Step 2: Convert to fraction form
    155,616.62/233,240.40 = 139,747.20/x
  3. Step 3: Cross multiply
    155,616.62x = 233,240.40 × 139,747.20
  4. Step 4: Simplify right side
    155,616.62x = 32,594,692,826.88
  5. Step 5: Solve for x
    x = 32,594,692,826.88/155,616.62
  6. Step 6: Final answer
    x = 209,455.09

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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.