Home / 104,727.98-144,520.29-56,981.51

Finding the Fourth Proportional to 104,727.98, 144,520.29 and 56,981.51

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Solution

The fourth proportional to 104,727.98, 144,520.29 and 56,981.51 is: 78,632.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,727.98 : 144,520.29 = 56,981.51 : x
  2. Step 2: Convert to fraction form
    104,727.98/144,520.29 = 56,981.51/x
  3. Step 3: Cross multiply
    104,727.98x = 144,520.29 × 56,981.51
  4. Step 4: Simplify right side
    104,727.98x = 8,234,984,349.84
  5. Step 5: Solve for x
    x = 8,234,984,349.84/104,727.98
  6. Step 6: Final answer
    x = 78,632.13

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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.