Home / 253,594.08-380,336.04-76,053.42

Finding the Fourth Proportional to 253,594.08, 380,336.04 and 76,053.42

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Solution

The fourth proportional to 253,594.08, 380,336.04 and 76,053.42 is: 114,063.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,594.08 : 380,336.04 = 76,053.42 : x
  2. Step 2: Convert to fraction form
    253,594.08/380,336.04 = 76,053.42/x
  3. Step 3: Cross multiply
    253,594.08x = 380,336.04 × 76,053.42
  4. Step 4: Simplify right side
    253,594.08x = 28,925,856,591.26
  5. Step 5: Solve for x
    x = 28,925,856,591.26/253,594.08
  6. Step 6: Final answer
    x = 114,063.61

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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.