Home / 102,116.28-140,919.67-56,174.93

Finding the Fourth Proportional to 102,116.28, 140,919.67 and 56,174.93

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Solution

The fourth proportional to 102,116.28, 140,919.67 and 56,174.93 is: 77,520.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,116.28 : 140,919.67 = 56,174.93 : x
  2. Step 2: Convert to fraction form
    102,116.28/140,919.67 = 56,174.93/x
  3. Step 3: Cross multiply
    102,116.28x = 140,919.67 × 56,174.93
  4. Step 4: Simplify right side
    102,116.28x = 7,916,151,893.27
  5. Step 5: Solve for x
    x = 7,916,151,893.27/102,116.28
  6. Step 6: Final answer
    x = 77,520.96

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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.