Home / 90,936.09-136,423.04-38,346.03

Finding the Fourth Proportional to 90,936.09, 136,423.04 and 38,346.03

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Solution

The fourth proportional to 90,936.09, 136,423.04 and 38,346.03 is: 57,527.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,936.09 : 136,423.04 = 38,346.03 : x
  2. Step 2: Convert to fraction form
    90,936.09/136,423.04 = 38,346.03/x
  3. Step 3: Cross multiply
    90,936.09x = 136,423.04 × 38,346.03
  4. Step 4: Simplify right side
    90,936.09x = 5,231,281,792.80
  5. Step 5: Solve for x
    x = 5,231,281,792.80/90,936.09
  6. Step 6: Final answer
    x = 57,527.01

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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.