Home / 90,544.77-135,799.20-45,554.13

Finding the Fourth Proportional to 90,544.77, 135,799.20 and 45,554.13

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Solution

The fourth proportional to 90,544.77, 135,799.20 and 45,554.13 is: 68,322.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,544.77 : 135,799.20 = 45,554.13 : x
  2. Step 2: Convert to fraction form
    90,544.77/135,799.20 = 45,554.13/x
  3. Step 3: Cross multiply
    90,544.77x = 135,799.20 × 45,554.13
  4. Step 4: Simplify right side
    90,544.77x = 6,186,214,410.70
  5. Step 5: Solve for x
    x = 6,186,214,410.70/90,544.77
  6. Step 6: Final answer
    x = 68,322.16

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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.