Home / 104,475.66-144,172.38-56,727.93

Finding the Fourth Proportional to 104,475.66, 144,172.38 and 56,727.93

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Solution

The fourth proportional to 104,475.66, 144,172.38 and 56,727.93 is: 78,282.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,475.66 : 144,172.38 = 56,727.93 : x
  2. Step 2: Convert to fraction form
    104,475.66/144,172.38 = 56,727.93/x
  3. Step 3: Cross multiply
    104,475.66x = 144,172.38 × 56,727.93
  4. Step 4: Simplify right side
    104,475.66x = 8,178,600,680.57
  5. Step 5: Solve for x
    x = 8,178,600,680.57/104,475.66
  6. Step 6: Final answer
    x = 78,282.35

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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.