Home / 126,157.24-189,021.64-76,132.22

Finding the Fourth Proportional to 126,157.24, 189,021.64 and 76,132.22

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Solution

The fourth proportional to 126,157.24, 189,021.64 and 76,132.22 is: 114,069.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,157.24 : 189,021.64 = 76,132.22 : x
  2. Step 2: Convert to fraction form
    126,157.24/189,021.64 = 76,132.22/x
  3. Step 3: Cross multiply
    126,157.24x = 189,021.64 × 76,132.22
  4. Step 4: Simplify right side
    126,157.24x = 14,390,637,081.24
  5. Step 5: Solve for x
    x = 14,390,637,081.24/126,157.24
  6. Step 6: Final answer
    x = 114,069.05

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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.