Home / 84,238.84-126,358.67-34,319.42

Finding the Fourth Proportional to 84,238.84, 126,358.67 and 34,319.42

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Solution

The fourth proportional to 84,238.84, 126,358.67 and 34,319.42 is: 51,479.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,238.84 : 126,358.67 = 34,319.42 : x
  2. Step 2: Convert to fraction form
    84,238.84/126,358.67 = 34,319.42/x
  3. Step 3: Cross multiply
    84,238.84x = 126,358.67 × 34,319.42
  4. Step 4: Simplify right side
    84,238.84x = 4,336,556,266.37
  5. Step 5: Solve for x
    x = 4,336,556,266.37/84,238.84
  6. Step 6: Final answer
    x = 51,479.30

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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.