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Finding the Fourth Proportional to 173,090.90, 259,490.55 and 89,984.90

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Solution

The fourth proportional to 173,090.90, 259,490.55 and 89,984.90 is: 134,901.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,090.90 : 259,490.55 = 89,984.90 : x
  2. Step 2: Convert to fraction form
    173,090.90/259,490.55 = 89,984.90/x
  3. Step 3: Cross multiply
    173,090.90x = 259,490.55 × 89,984.90
  4. Step 4: Simplify right side
    173,090.90x = 23,350,231,192.70
  5. Step 5: Solve for x
    x = 23,350,231,192.70/173,090.90
  6. Step 6: Final answer
    x = 134,901.55

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1.5x scale

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.