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Finding the Fourth Proportional to 90,060, 135,090 and 24,396

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Solution

The fourth proportional to 90,060, 135,090 and 24,396 is: 36,594

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,060 : 135,090 = 24,396 : x
  2. Step 2: Convert to fraction form
    90,060/135,090 = 24,396/x
  3. Step 3: Cross multiply
    90,060x = 135,090 × 24,396
  4. Step 4: Simplify right side
    90,060x = 3,295,655,640
  5. Step 5: Solve for x
    x = 3,295,655,640/90,060
  6. Step 6: Final answer
    x = 36,594

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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.