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Finding the Fourth Proportional to 153,990, 230,985 and 37,254

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Solution

The fourth proportional to 153,990, 230,985 and 37,254 is: 55,881

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,990 : 230,985 = 37,254 : x
  2. Step 2: Convert to fraction form
    153,990/230,985 = 37,254/x
  3. Step 3: Cross multiply
    153,990x = 230,985 × 37,254
  4. Step 4: Simplify right side
    153,990x = 8,605,115,190
  5. Step 5: Solve for x
    x = 8,605,115,190/153,990
  6. Step 6: Final answer
    x = 55,881

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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.