Home / 155,252.20-232,878.30-66,490.60

Finding the Fourth Proportional to 155,252.20, 232,878.30 and 66,490.60

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Solution

The fourth proportional to 155,252.20, 232,878.30 and 66,490.60 is: 99,735.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,252.20 : 232,878.30 = 66,490.60 : x
  2. Step 2: Convert to fraction form
    155,252.20/232,878.30 = 66,490.60/x
  3. Step 3: Cross multiply
    155,252.20x = 232,878.30 × 66,490.60
  4. Step 4: Simplify right side
    155,252.20x = 15,484,217,893.98
  5. Step 5: Solve for x
    x = 15,484,217,893.98/155,252.20
  6. Step 6: Final answer
    x = 99,735.90

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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.