Home / 141,927.76-195,861.64-78,267.84

Finding the Fourth Proportional to 141,927.76, 195,861.64 and 78,267.84

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Solution

The fourth proportional to 141,927.76, 195,861.64 and 78,267.84 is: 108,010.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,927.76 : 195,861.64 = 78,267.84 : x
  2. Step 2: Convert to fraction form
    141,927.76/195,861.64 = 78,267.84/x
  3. Step 3: Cross multiply
    141,927.76x = 195,861.64 × 78,267.84
  4. Step 4: Simplify right side
    141,927.76x = 15,329,667,501.66
  5. Step 5: Solve for x
    x = 15,329,667,501.66/141,927.76
  6. Step 6: Final answer
    x = 108,010.35

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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.