Home / 135,668.22-187,222.14-75,248.12

Finding the Fourth Proportional to 135,668.22, 187,222.14 and 75,248.12

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Solution

The fourth proportional to 135,668.22, 187,222.14 and 75,248.12 is: 103,842.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,668.22 : 187,222.14 = 75,248.12 : x
  2. Step 2: Convert to fraction form
    135,668.22/187,222.14 = 75,248.12/x
  3. Step 3: Cross multiply
    135,668.22x = 187,222.14 × 75,248.12
  4. Step 4: Simplify right side
    135,668.22x = 14,088,113,309.39
  5. Step 5: Solve for x
    x = 14,088,113,309.39/135,668.22
  6. Step 6: Final answer
    x = 103,842.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.