Home / 276,931.60-415,364.46-89,942.92

Finding the Fourth Proportional to 276,931.60, 415,364.46 and 89,942.92

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Solution

The fourth proportional to 276,931.60, 415,364.46 and 89,942.92 is: 134,903.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,931.60 : 415,364.46 = 89,942.92 : x
  2. Step 2: Convert to fraction form
    276,931.60/415,364.46 = 89,942.92/x
  3. Step 3: Cross multiply
    276,931.60x = 415,364.46 × 89,942.92
  4. Step 4: Simplify right side
    276,931.60x = 37,359,092,396.62
  5. Step 5: Solve for x
    x = 37,359,092,396.62/276,931.60
  6. Step 6: Final answer
    x = 134,903.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.