Home / 255,339.45-352,377.99-140,622.93

Finding the Fourth Proportional to 255,339.45, 352,377.99 and 140,622.93

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Solution

The fourth proportional to 255,339.45, 352,377.99 and 140,622.93 is: 194,064.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,339.45 : 352,377.99 = 140,622.93 : x
  2. Step 2: Convert to fraction form
    255,339.45/352,377.99 = 140,622.93/x
  3. Step 3: Cross multiply
    255,339.45x = 352,377.99 × 140,622.93
  4. Step 4: Simplify right side
    255,339.45x = 49,552,425,421.31
  5. Step 5: Solve for x
    x = 49,552,425,421.31/255,339.45
  6. Step 6: Final answer
    x = 194,064.90

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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.