Home / 90,297.23-135,454.80-33,386.06

Finding the Fourth Proportional to 90,297.23, 135,454.80 and 33,386.06

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Solution

The fourth proportional to 90,297.23, 135,454.80 and 33,386.06 is: 50,082.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,297.23 : 135,454.80 = 33,386.06 : x
  2. Step 2: Convert to fraction form
    90,297.23/135,454.80 = 33,386.06/x
  3. Step 3: Cross multiply
    90,297.23x = 135,454.80 × 33,386.06
  4. Step 4: Simplify right side
    90,297.23x = 4,522,301,402.81
  5. Step 5: Solve for x
    x = 4,522,301,402.81/90,297.23
  6. Step 6: Final answer
    x = 50,082.40

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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.