Home / 90,301.56-135,465.04-37,699.08

Finding the Fourth Proportional to 90,301.56, 135,465.04 and 37,699.08

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Solution

The fourth proportional to 90,301.56, 135,465.04 and 37,699.08 is: 56,553.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,301.56 : 135,465.04 = 37,699.08 : x
  2. Step 2: Convert to fraction form
    90,301.56/135,465.04 = 37,699.08/x
  3. Step 3: Cross multiply
    90,301.56x = 135,465.04 × 37,699.08
  4. Step 4: Simplify right side
    90,301.56x = 5,106,907,380.16
  5. Step 5: Solve for x
    x = 5,106,907,380.16/90,301.56
  6. Step 6: Final answer
    x = 56,553.92

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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.