Home / 255,641.12-352,768.89-140,913.83

Finding the Fourth Proportional to 255,641.12, 352,768.89 and 140,913.83

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Solution

The fourth proportional to 255,641.12, 352,768.89 and 140,913.83 is: 194,452.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,641.12 : 352,768.89 = 140,913.83 : x
  2. Step 2: Convert to fraction form
    255,641.12/352,768.89 = 140,913.83/x
  3. Step 3: Cross multiply
    255,641.12x = 352,768.89 × 140,913.83
  4. Step 4: Simplify right side
    255,641.12x = 49,710,016,110.86
  5. Step 5: Solve for x
    x = 49,710,016,110.86/255,641.12
  6. Step 6: Final answer
    x = 194,452.35

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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.