Home / 102,222.74-141,067.36-56,899.76

Finding the Fourth Proportional to 102,222.74, 141,067.36 and 56,899.76

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Solution

The fourth proportional to 102,222.74, 141,067.36 and 56,899.76 is: 78,521.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,222.74 : 141,067.36 = 56,899.76 : x
  2. Step 2: Convert to fraction form
    102,222.74/141,067.36 = 56,899.76/x
  3. Step 3: Cross multiply
    102,222.74x = 141,067.36 × 56,899.76
  4. Step 4: Simplify right side
    102,222.74x = 8,026,698,927.83
  5. Step 5: Solve for x
    x = 8,026,698,927.83/102,222.74
  6. Step 6: Final answer
    x = 78,521.66

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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.