Home / 185,210.27-255,590.15-100,327.31

Finding the Fourth Proportional to 185,210.27, 255,590.15 and 100,327.31

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Solution

The fourth proportional to 185,210.27, 255,590.15 and 100,327.31 is: 138,451.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,210.27 : 255,590.15 = 100,327.31 : x
  2. Step 2: Convert to fraction form
    185,210.27/255,590.15 = 100,327.31/x
  3. Step 3: Cross multiply
    185,210.27x = 255,590.15 × 100,327.31
  4. Step 4: Simplify right side
    185,210.27x = 25,642,670,432.41
  5. Step 5: Solve for x
    x = 25,642,670,432.41/185,210.27
  6. Step 6: Final answer
    x = 138,451.67

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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.