Home / 143,182.08-197,585.73-79,523.91

Finding the Fourth Proportional to 143,182.08, 197,585.73 and 79,523.91

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Solution

The fourth proportional to 143,182.08, 197,585.73 and 79,523.91 is: 109,739.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,182.08 : 197,585.73 = 79,523.91 : x
  2. Step 2: Convert to fraction form
    143,182.08/197,585.73 = 79,523.91/x
  3. Step 3: Cross multiply
    143,182.08x = 197,585.73 × 79,523.91
  4. Step 4: Simplify right side
    143,182.08x = 15,712,789,809.80
  5. Step 5: Solve for x
    x = 15,712,789,809.80/143,182.08
  6. Step 6: Final answer
    x = 109,739.92

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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.