Home / 91,995.48-138,009.62-25,434.13

Finding the Fourth Proportional to 91,995.48, 138,009.62 and 25,434.13

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Solution

The fourth proportional to 91,995.48, 138,009.62 and 25,434.13 is: 38,155.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,995.48 : 138,009.62 = 25,434.13 : x
  2. Step 2: Convert to fraction form
    91,995.48/138,009.62 = 25,434.13/x
  3. Step 3: Cross multiply
    91,995.48x = 138,009.62 × 25,434.13
  4. Step 4: Simplify right side
    91,995.48x = 3,510,154,616.33
  5. Step 5: Solve for x
    x = 3,510,154,616.33/91,995.48
  6. Step 6: Final answer
    x = 38,155.73

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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.