Home / 90,637.23-135,975.30-38,016.39

Finding the Fourth Proportional to 90,637.23, 135,975.30 and 38,016.39

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Solution

The fourth proportional to 90,637.23, 135,975.30 and 38,016.39 is: 57,032.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,637.23 : 135,975.30 = 38,016.39 : x
  2. Step 2: Convert to fraction form
    90,637.23/135,975.30 = 38,016.39/x
  3. Step 3: Cross multiply
    90,637.23x = 135,975.30 × 38,016.39
  4. Step 4: Simplify right side
    90,637.23x = 5,169,290,035.17
  5. Step 5: Solve for x
    x = 5,169,290,035.17/90,637.23
  6. Step 6: Final answer
    x = 57,032.75

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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.