Home / 102,222.75-141,067.35-56,899.74

Finding the Fourth Proportional to 102,222.75, 141,067.35 and 56,899.74

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Solution

The fourth proportional to 102,222.75, 141,067.35 and 56,899.74 is: 78,521.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,222.75 : 141,067.35 = 56,899.74 : x
  2. Step 2: Convert to fraction form
    102,222.75/141,067.35 = 56,899.74/x
  3. Step 3: Cross multiply
    102,222.75x = 141,067.35 × 56,899.74
  4. Step 4: Simplify right side
    102,222.75x = 8,026,695,537.49
  5. Step 5: Solve for x
    x = 8,026,695,537.49/102,222.75
  6. Step 6: Final answer
    x = 78,521.62

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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.