Home / 187,071.47-280,634.88-68,733.59

Finding the Fourth Proportional to 187,071.47, 280,634.88 and 68,733.59

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Solution

The fourth proportional to 187,071.47, 280,634.88 and 68,733.59 is: 103,110.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,071.47 : 280,634.88 = 68,733.59 : x
  2. Step 2: Convert to fraction form
    187,071.47/280,634.88 = 68,733.59/x
  3. Step 3: Cross multiply
    187,071.47x = 280,634.88 × 68,733.59
  4. Step 4: Simplify right side
    187,071.47x = 19,289,041,378.44
  5. Step 5: Solve for x
    x = 19,289,041,378.44/187,071.47
  6. Step 6: Final answer
    x = 103,110.55

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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.