Home / 104,727.65-144,519.83-56,981.19

Finding the Fourth Proportional to 104,727.65, 144,519.83 and 56,981.19

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Solution

The fourth proportional to 104,727.65, 144,519.83 and 56,981.19 is: 78,631.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,727.65 : 144,519.83 = 56,981.19 : x
  2. Step 2: Convert to fraction form
    104,727.65/144,519.83 = 56,981.19/x
  3. Step 3: Cross multiply
    104,727.65x = 144,519.83 × 56,981.19
  4. Step 4: Simplify right side
    104,727.65x = 8,234,911,892.00
  5. Step 5: Solve for x
    x = 8,234,911,892.00/104,727.65
  6. Step 6: Final answer
    x = 78,631.69

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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.