Home / 159,133.56-219,378.16-126,582.72

Finding the Fourth Proportional to 159,133.56, 219,378.16 and 126,582.72

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Solution

The fourth proportional to 159,133.56, 219,378.16 and 126,582.72 is: 174,504.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,133.56 : 219,378.16 = 126,582.72 : x
  2. Step 2: Convert to fraction form
    159,133.56/219,378.16 = 126,582.72/x
  3. Step 3: Cross multiply
    159,133.56x = 219,378.16 × 126,582.72
  4. Step 4: Simplify right side
    159,133.56x = 27,769,484,201.40
  5. Step 5: Solve for x
    x = 27,769,484,201.40/159,133.56
  6. Step 6: Final answer
    x = 174,504.26

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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.