Home / 187,087.27-280,741.62-68,841.64

Finding the Fourth Proportional to 187,087.27, 280,741.62 and 68,841.64

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Solution

The fourth proportional to 187,087.27, 280,741.62 and 68,841.64 is: 103,303.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,087.27 : 280,741.62 = 68,841.64 : x
  2. Step 2: Convert to fraction form
    187,087.27/280,741.62 = 68,841.64/x
  3. Step 3: Cross multiply
    187,087.27x = 280,741.62 × 68,841.64
  4. Step 4: Simplify right side
    187,087.27x = 19,326,713,537.06
  5. Step 5: Solve for x
    x = 19,326,713,537.06/187,087.27
  6. Step 6: Final answer
    x = 103,303.20

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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.