Home / 185,440.49-255,909.48-100,557.55

Finding the Fourth Proportional to 185,440.49, 255,909.48 and 100,557.55

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Solution

The fourth proportional to 185,440.49, 255,909.48 and 100,557.55 is: 138,770.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,440.49 : 255,909.48 = 100,557.55 : x
  2. Step 2: Convert to fraction form
    185,440.49/255,909.48 = 100,557.55/x
  3. Step 3: Cross multiply
    185,440.49x = 255,909.48 × 100,557.55
  4. Step 4: Simplify right side
    185,440.49x = 25,733,630,273.37
  5. Step 5: Solve for x
    x = 25,733,630,273.37/185,440.49
  6. Step 6: Final answer
    x = 138,770.29

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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.