Home / 140,681.64-211,043.32-40,842.66

Finding the Fourth Proportional to 140,681.64, 211,043.32 and 40,842.66

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Solution

The fourth proportional to 140,681.64, 211,043.32 and 40,842.66 is: 61,270.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,681.64 : 211,043.32 = 40,842.66 : x
  2. Step 2: Convert to fraction form
    140,681.64/211,043.32 = 40,842.66/x
  3. Step 3: Cross multiply
    140,681.64x = 211,043.32 × 40,842.66
  4. Step 4: Simplify right side
    140,681.64x = 8,619,570,564.03
  5. Step 5: Solve for x
    x = 8,619,570,564.03/140,681.64
  6. Step 6: Final answer
    x = 61,270.05

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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.