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Finding the Fourth Proportional to 90,014.40, 134,913.60 and 37,396.80

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Solution

The fourth proportional to 90,014.40, 134,913.60 and 37,396.80 is: 56,050.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,014.40 : 134,913.60 = 37,396.80 : x
  2. Step 2: Convert to fraction form
    90,014.40/134,913.60 = 37,396.80/x
  3. Step 3: Cross multiply
    90,014.40x = 134,913.60 × 37,396.80
  4. Step 4: Simplify right side
    90,014.40x = 5,045,336,916.48
  5. Step 5: Solve for x
    x = 5,045,336,916.48/90,014.40
  6. Step 6: Final answer
    x = 56,050.33

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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.