Home / 142,844.60-197,117.93-82,411.65

Finding the Fourth Proportional to 142,844.60, 197,117.93 and 82,411.65

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Solution

The fourth proportional to 142,844.60, 197,117.93 and 82,411.65 is: 113,723.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,844.60 : 197,117.93 = 82,411.65 : x
  2. Step 2: Convert to fraction form
    142,844.60/197,117.93 = 82,411.65/x
  3. Step 3: Cross multiply
    142,844.60x = 197,117.93 × 82,411.65
  4. Step 4: Simplify right side
    142,844.60x = 16,244,813,443.83
  5. Step 5: Solve for x
    x = 16,244,813,443.83/142,844.60
  6. Step 6: Final answer
    x = 113,723.68

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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.