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Finding the Fourth Proportional to 173,762.32, 239,803.88 and 98,310.80

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Solution

The fourth proportional to 173,762.32, 239,803.88 and 98,310.80 is: 135,675.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,762.32 : 239,803.88 = 98,310.80 : x
  2. Step 2: Convert to fraction form
    173,762.32/239,803.88 = 98,310.80/x
  3. Step 3: Cross multiply
    173,762.32x = 239,803.88 × 98,310.80
  4. Step 4: Simplify right side
    173,762.32x = 23,575,311,285.90
  5. Step 5: Solve for x
    x = 23,575,311,285.90/173,762.32
  6. Step 6: Final answer
    x = 135,675.62

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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.