Home / 140,820.93-211,241.12-40,981.95

Finding the Fourth Proportional to 140,820.93, 211,241.12 and 40,981.95

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Solution

The fourth proportional to 140,820.93, 211,241.12 and 40,981.95 is: 61,475.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,820.93 : 211,241.12 = 40,981.95 : x
  2. Step 2: Convert to fraction form
    140,820.93/211,241.12 = 40,981.95/x
  3. Step 3: Cross multiply
    140,820.93x = 211,241.12 × 40,981.95
  4. Step 4: Simplify right side
    140,820.93x = 8,657,072,812.87
  5. Step 5: Solve for x
    x = 8,657,072,812.87/140,820.93
  6. Step 6: Final answer
    x = 61,475.75

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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.