Home / 140,670.59-210,961.80-40,837.68

Finding the Fourth Proportional to 140,670.59, 210,961.80 and 40,837.68

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Solution

The fourth proportional to 140,670.59, 210,961.80 and 40,837.68 is: 61,243.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,670.59 : 210,961.80 = 40,837.68 : x
  2. Step 2: Convert to fraction form
    140,670.59/210,961.80 = 40,837.68/x
  3. Step 3: Cross multiply
    140,670.59x = 210,961.80 × 40,837.68
  4. Step 4: Simplify right side
    140,670.59x = 8,615,190,480.62
  5. Step 5: Solve for x
    x = 8,615,190,480.62/140,670.59
  6. Step 6: Final answer
    x = 61,243.72

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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.