Home / 121,103.68-181,686.24-37,998.40

Finding the Fourth Proportional to 121,103.68, 181,686.24 and 37,998.40

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Solution

The fourth proportional to 121,103.68, 181,686.24 and 37,998.40 is: 57,007.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,103.68 : 181,686.24 = 37,998.40 : x
  2. Step 2: Convert to fraction form
    121,103.68/181,686.24 = 37,998.40/x
  3. Step 3: Cross multiply
    121,103.68x = 181,686.24 × 37,998.40
  4. Step 4: Simplify right side
    121,103.68x = 6,903,786,422.02
  5. Step 5: Solve for x
    x = 6,903,786,422.02/121,103.68
  6. Step 6: Final answer
    x = 57,007.24

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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.