Home / 90,239.63-135,492.50-50,336.58

Finding the Fourth Proportional to 90,239.63, 135,492.50 and 50,336.58

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Solution

The fourth proportional to 90,239.63, 135,492.50 and 50,336.58 is: 75,579.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,239.63 : 135,492.50 = 50,336.58 : x
  2. Step 2: Convert to fraction form
    90,239.63/135,492.50 = 50,336.58/x
  3. Step 3: Cross multiply
    90,239.63x = 135,492.50 × 50,336.58
  4. Step 4: Simplify right side
    90,239.63x = 6,820,229,065.65
  5. Step 5: Solve for x
    x = 6,820,229,065.65/90,239.63
  6. Step 6: Final answer
    x = 75,579.09

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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.