Home / 159,173.08-219,717.30-105,475.48

Finding the Fourth Proportional to 159,173.08, 219,717.30 and 105,475.48

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Solution

The fourth proportional to 159,173.08, 219,717.30 and 105,475.48 is: 145,594.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,173.08 : 219,717.30 = 105,475.48 : x
  2. Step 2: Convert to fraction form
    159,173.08/219,717.30 = 105,475.48/x
  3. Step 3: Cross multiply
    159,173.08x = 219,717.30 × 105,475.48
  4. Step 4: Simplify right side
    159,173.08x = 23,174,787,681.80
  5. Step 5: Solve for x
    x = 23,174,787,681.80/159,173.08
  6. Step 6: Final answer
    x = 145,594.89

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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.