Home / 211,426.74-316,518.03-141,131.70

Finding the Fourth Proportional to 211,426.74, 316,518.03 and 141,131.70

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Solution

The fourth proportional to 211,426.74, 316,518.03 and 141,131.70 is: 211,282.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,426.74 : 316,518.03 = 141,131.70 : x
  2. Step 2: Convert to fraction form
    211,426.74/316,518.03 = 141,131.70/x
  3. Step 3: Cross multiply
    211,426.74x = 316,518.03 × 141,131.70
  4. Step 4: Simplify right side
    211,426.74x = 44,670,727,654.55
  5. Step 5: Solve for x
    x = 44,670,727,654.55/211,426.74
  6. Step 6: Final answer
    x = 211,282.30

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1.5x scale

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.