Home / 104,730.57-144,538.83-61,723.42

Finding the Fourth Proportional to 104,730.57, 144,538.83 and 61,723.42

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Solution

The fourth proportional to 104,730.57, 144,538.83 and 61,723.42 is: 85,184.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,730.57 : 144,538.83 = 61,723.42 : x
  2. Step 2: Convert to fraction form
    104,730.57/144,538.83 = 61,723.42/x
  3. Step 3: Cross multiply
    104,730.57x = 144,538.83 × 61,723.42
  4. Step 4: Simplify right side
    104,730.57x = 8,921,430,549.05
  5. Step 5: Solve for x
    x = 8,921,430,549.05/104,730.57
  6. Step 6: Final answer
    x = 85,184.59

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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.