Home / 211,130.64-316,770.39-140,334.48

Finding the Fourth Proportional to 211,130.64, 316,770.39 and 140,334.48

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Solution

The fourth proportional to 211,130.64, 316,770.39 and 140,334.48 is: 210,551.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,130.64 : 316,770.39 = 140,334.48 : x
  2. Step 2: Convert to fraction form
    211,130.64/316,770.39 = 140,334.48/x
  3. Step 3: Cross multiply
    211,130.64x = 316,770.39 × 140,334.48
  4. Step 4: Simplify right side
    211,130.64x = 44,453,807,960.05
  5. Step 5: Solve for x
    x = 44,453,807,960.05/211,130.64
  6. Step 6: Final answer
    x = 210,551.19

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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.