Home / 91,243.20-136,864.80-24,693.60

Finding the Fourth Proportional to 91,243.20, 136,864.80 and 24,693.60

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Solution

The fourth proportional to 91,243.20, 136,864.80 and 24,693.60 is: 37,040.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,243.20 : 136,864.80 = 24,693.60 : x
  2. Step 2: Convert to fraction form
    91,243.20/136,864.80 = 24,693.60/x
  3. Step 3: Cross multiply
    91,243.20x = 136,864.80 × 24,693.60
  4. Step 4: Simplify right side
    91,243.20x = 3,379,684,625.28
  5. Step 5: Solve for x
    x = 3,379,684,625.28/91,243.20
  6. Step 6: Final answer
    x = 37,040.40

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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.