Home / 90,322.02-135,501.84-27,139.59

Finding the Fourth Proportional to 90,322.02, 135,501.84 and 27,139.59

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Solution

The fourth proportional to 90,322.02, 135,501.84 and 27,139.59 is: 40,715.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,322.02 : 135,501.84 = 27,139.59 : x
  2. Step 2: Convert to fraction form
    90,322.02/135,501.84 = 27,139.59/x
  3. Step 3: Cross multiply
    90,322.02x = 135,501.84 × 27,139.59
  4. Step 4: Simplify right side
    90,322.02x = 3,677,464,381.85
  5. Step 5: Solve for x
    x = 3,677,464,381.85/90,322.02
  6. Step 6: Final answer
    x = 40,715.04

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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.