Home / 255,311.61-352,327.03-140,587.86

Finding the Fourth Proportional to 255,311.61, 352,327.03 and 140,587.86

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Solution

The fourth proportional to 255,311.61, 352,327.03 and 140,587.86 is: 194,009.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,311.61 : 352,327.03 = 140,587.86 : x
  2. Step 2: Convert to fraction form
    255,311.61/352,327.03 = 140,587.86/x
  3. Step 3: Cross multiply
    255,311.61x = 352,327.03 × 140,587.86
  4. Step 4: Simplify right side
    255,311.61x = 49,532,903,167.86
  5. Step 5: Solve for x
    x = 49,532,903,167.86/255,311.61
  6. Step 6: Final answer
    x = 194,009.60

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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.