Home / 90,020.27-135,030.45-23,460.23

Finding the Fourth Proportional to 90,020.27, 135,030.45 and 23,460.23

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Solution

The fourth proportional to 90,020.27, 135,030.45 and 23,460.23 is: 35,190.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,020.27 : 135,030.45 = 23,460.23 : x
  2. Step 2: Convert to fraction form
    90,020.27/135,030.45 = 23,460.23/x
  3. Step 3: Cross multiply
    90,020.27x = 135,030.45 × 23,460.23
  4. Step 4: Simplify right side
    90,020.27x = 3,167,845,414.00
  5. Step 5: Solve for x
    x = 3,167,845,414.00/90,020.27
  6. Step 6: Final answer
    x = 35,190.36

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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.