Home / 90,314.04-135,426.41-52,883.54

Finding the Fourth Proportional to 90,314.04, 135,426.41 and 52,883.54

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Solution

The fourth proportional to 90,314.04, 135,426.41 and 52,883.54 is: 79,299.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,314.04 : 135,426.41 = 52,883.54 : x
  2. Step 2: Convert to fraction form
    90,314.04/135,426.41 = 52,883.54/x
  3. Step 3: Cross multiply
    90,314.04x = 135,426.41 × 52,883.54
  4. Step 4: Simplify right side
    90,314.04x = 7,161,827,028.74
  5. Step 5: Solve for x
    x = 7,161,827,028.74/90,314.04
  6. Step 6: Final answer
    x = 79,299.15

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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.