Home / 259,943.57-390,059.53-126,824.93

Finding the Fourth Proportional to 259,943.57, 390,059.53 and 126,824.93

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Solution

The fourth proportional to 259,943.57, 390,059.53 and 126,824.93 is: 190,307.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,943.57 : 390,059.53 = 126,824.93 : x
  2. Step 2: Convert to fraction form
    259,943.57/390,059.53 = 126,824.93/x
  3. Step 3: Cross multiply
    259,943.57x = 390,059.53 × 126,824.93
  4. Step 4: Simplify right side
    259,943.57x = 49,469,272,588.08
  5. Step 5: Solve for x
    x = 49,469,272,588.08/259,943.57
  6. Step 6: Final answer
    x = 190,307.74

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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.