Home / 185,019.86-255,327.39-100,136.93

Finding the Fourth Proportional to 185,019.86, 255,327.39 and 100,136.93

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Solution

The fourth proportional to 185,019.86, 255,327.39 and 100,136.93 is: 138,188.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,019.86 : 255,327.39 = 100,136.93 : x
  2. Step 2: Convert to fraction form
    185,019.86/255,327.39 = 100,136.93/x
  3. Step 3: Cross multiply
    185,019.86x = 255,327.39 × 100,136.93
  4. Step 4: Simplify right side
    185,019.86x = 25,567,699,702.88
  5. Step 5: Solve for x
    x = 25,567,699,702.88/185,019.86
  6. Step 6: Final answer
    x = 138,188.95

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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.