Home / 183,811.50-275,782.95-90,382.86

Finding the Fourth Proportional to 183,811.50, 275,782.95 and 90,382.86

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Solution

The fourth proportional to 183,811.50, 275,782.95 and 90,382.86 is: 135,606.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,811.50 : 275,782.95 = 90,382.86 : x
  2. Step 2: Convert to fraction form
    183,811.50/275,782.95 = 90,382.86/x
  3. Step 3: Cross multiply
    183,811.50x = 275,782.95 × 90,382.86
  4. Step 4: Simplify right side
    183,811.50x = 24,926,051,760.24
  5. Step 5: Solve for x
    x = 24,926,051,760.24/183,811.50
  6. Step 6: Final answer
    x = 135,606.60

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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.