Home / 141,729.39-195,572.34-87,272.82

Finding the Fourth Proportional to 141,729.39, 195,572.34 and 87,272.82

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Solution

The fourth proportional to 141,729.39, 195,572.34 and 87,272.82 is: 120,427.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,729.39 : 195,572.34 = 87,272.82 : x
  2. Step 2: Convert to fraction form
    141,729.39/195,572.34 = 87,272.82/x
  3. Step 3: Cross multiply
    141,729.39x = 195,572.34 × 87,272.82
  4. Step 4: Simplify right side
    141,729.39x = 17,068,149,625.80
  5. Step 5: Solve for x
    x = 17,068,149,625.80/141,729.39
  6. Step 6: Final answer
    x = 120,427.74

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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.