Home / 90,233.88-135,274.68-56,880.40

Finding the Fourth Proportional to 90,233.88, 135,274.68 and 56,880.40

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Solution

The fourth proportional to 90,233.88, 135,274.68 and 56,880.40 is: 85,272.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,233.88 : 135,274.68 = 56,880.40 : x
  2. Step 2: Convert to fraction form
    90,233.88/135,274.68 = 56,880.40/x
  3. Step 3: Cross multiply
    90,233.88x = 135,274.68 × 56,880.40
  4. Step 4: Simplify right side
    90,233.88x = 7,694,477,908.27
  5. Step 5: Solve for x
    x = 7,694,477,908.27/90,233.88
  6. Step 6: Final answer
    x = 85,272.60

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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.