Home / 211,000.06-316,527.88-68,795.40

Finding the Fourth Proportional to 211,000.06, 316,527.88 and 68,795.40

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Solution

The fourth proportional to 211,000.06, 316,527.88 and 68,795.40 is: 103,202.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,000.06 : 316,527.88 = 68,795.40 : x
  2. Step 2: Convert to fraction form
    211,000.06/316,527.88 = 68,795.40/x
  3. Step 3: Cross multiply
    211,000.06x = 316,527.88 × 68,795.40
  4. Step 4: Simplify right side
    211,000.06x = 21,775,662,115.75
  5. Step 5: Solve for x
    x = 21,775,662,115.75/211,000.06
  6. Step 6: Final answer
    x = 103,202.16

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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.