Home / 159,130.30-219,599.52-91,169.27

Finding the Fourth Proportional to 159,130.30, 219,599.52 and 91,169.27

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Solution

The fourth proportional to 159,130.30, 219,599.52 and 91,169.27 is: 125,813.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,130.30 : 219,599.52 = 91,169.27 : x
  2. Step 2: Convert to fraction form
    159,130.30/219,599.52 = 91,169.27/x
  3. Step 3: Cross multiply
    159,130.30x = 219,599.52 × 91,169.27
  4. Step 4: Simplify right side
    159,130.30x = 20,020,727,930.75
  5. Step 5: Solve for x
    x = 20,020,727,930.75/159,130.30
  6. Step 6: Final answer
    x = 125,813.42

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1.5x scale

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.