Home / 104,154.30-143,733.18-56,407.50

Finding the Fourth Proportional to 104,154.30, 143,733.18 and 56,407.50

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Solution

The fourth proportional to 104,154.30, 143,733.18 and 56,407.50 is: 77,842.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,154.30 : 143,733.18 = 56,407.50 : x
  2. Step 2: Convert to fraction form
    104,154.30/143,733.18 = 56,407.50/x
  3. Step 3: Cross multiply
    104,154.30x = 143,733.18 × 56,407.50
  4. Step 4: Simplify right side
    104,154.30x = 8,107,629,350.85
  5. Step 5: Solve for x
    x = 8,107,629,350.85/104,154.30
  6. Step 6: Final answer
    x = 77,842.48

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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.