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Finding the Fourth Proportional to 134,855.96, 201,258.52 and 119,909.57

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Solution

The fourth proportional to 134,855.96, 201,258.52 and 119,909.57 is: 178,952.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,855.96 : 201,258.52 = 119,909.57 : x
  2. Step 2: Convert to fraction form
    134,855.96/201,258.52 = 119,909.57/x
  3. Step 3: Cross multiply
    134,855.96x = 201,258.52 × 119,909.57
  4. Step 4: Simplify right side
    134,855.96x = 24,132,821,285.97
  5. Step 5: Solve for x
    x = 24,132,821,285.97/134,855.96
  6. Step 6: Final answer
    x = 178,952.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.