Home / 91,273.61-136,961.97-49,152.80

Finding the Fourth Proportional to 91,273.61, 136,961.97 and 49,152.80

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Solution

The fourth proportional to 91,273.61, 136,961.97 and 49,152.80 is: 73,756.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,273.61 : 136,961.97 = 49,152.80 : x
  2. Step 2: Convert to fraction form
    91,273.61/136,961.97 = 49,152.80/x
  3. Step 3: Cross multiply
    91,273.61x = 136,961.97 × 49,152.80
  4. Step 4: Simplify right side
    91,273.61x = 6,732,064,477.10
  5. Step 5: Solve for x
    x = 6,732,064,477.10/91,273.61
  6. Step 6: Final answer
    x = 73,756.96

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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.