Home / 230,984.26-318,760.72-135,492.55

Finding the Fourth Proportional to 230,984.26, 318,760.72 and 135,492.55

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Solution

The fourth proportional to 230,984.26, 318,760.72 and 135,492.55 is: 186,981.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,984.26 : 318,760.72 = 135,492.55 : x
  2. Step 2: Convert to fraction form
    230,984.26/318,760.72 = 135,492.55/x
  3. Step 3: Cross multiply
    230,984.26x = 318,760.72 × 135,492.55
  4. Step 4: Simplify right side
    230,984.26x = 43,189,701,657.00
  5. Step 5: Solve for x
    x = 43,189,701,657.00/230,984.26
  6. Step 6: Final answer
    x = 186,981.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.