Home / 102,305.44-141,181.16-56,980.76

Finding the Fourth Proportional to 102,305.44, 141,181.16 and 56,980.76

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Solution

The fourth proportional to 102,305.44, 141,181.16 and 56,980.76 is: 78,633.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,305.44 : 141,181.16 = 56,980.76 : x
  2. Step 2: Convert to fraction form
    102,305.44/141,181.16 = 56,980.76/x
  3. Step 3: Cross multiply
    102,305.44x = 141,181.16 × 56,980.76
  4. Step 4: Simplify right side
    102,305.44x = 8,044,609,794.48
  5. Step 5: Solve for x
    x = 8,044,609,794.48/102,305.44
  6. Step 6: Final answer
    x = 78,633.26

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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.