Home / 90,196.84-135,255.26-48,069.07

Finding the Fourth Proportional to 90,196.84, 135,255.26 and 48,069.07

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Solution

The fourth proportional to 90,196.84, 135,255.26 and 48,069.07 is: 72,082.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,196.84 : 135,255.26 = 48,069.07 : x
  2. Step 2: Convert to fraction form
    90,196.84/135,255.26 = 48,069.07/x
  3. Step 3: Cross multiply
    90,196.84x = 135,255.26 × 48,069.07
  4. Step 4: Simplify right side
    90,196.84x = 6,501,593,644.19
  5. Step 5: Solve for x
    x = 6,501,593,644.19/90,196.84
  6. Step 6: Final answer
    x = 72,082.28

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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.