Home / 140,749.76-211,074.84-40,889.18

Finding the Fourth Proportional to 140,749.76, 211,074.84 and 40,889.18

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Solution

The fourth proportional to 140,749.76, 211,074.84 and 40,889.18 is: 61,319.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,749.76 : 211,074.84 = 40,889.18 : x
  2. Step 2: Convert to fraction form
    140,749.76/211,074.84 = 40,889.18/x
  3. Step 3: Cross multiply
    140,749.76x = 211,074.84 × 40,889.18
  4. Step 4: Simplify right side
    140,749.76x = 8,630,676,070.86
  5. Step 5: Solve for x
    x = 8,630,676,070.86/140,749.76
  6. Step 6: Final answer
    x = 61,319.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.