Home / 109,285.28-150,813.52-61,538.97

Finding the Fourth Proportional to 109,285.28, 150,813.52 and 61,538.97

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Solution

The fourth proportional to 109,285.28, 150,813.52 and 61,538.97 is: 84,923.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,285.28 : 150,813.52 = 61,538.97 : x
  2. Step 2: Convert to fraction form
    109,285.28/150,813.52 = 61,538.97/x
  3. Step 3: Cross multiply
    109,285.28x = 150,813.52 × 61,538.97
  4. Step 4: Simplify right side
    109,285.28x = 9,280,908,682.87
  5. Step 5: Solve for x
    x = 9,280,908,682.87/109,285.28
  6. Step 6: Final answer
    x = 84,923.68

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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.