Home / 126,322.55-189,442.77-42,060.07

Finding the Fourth Proportional to 126,322.55, 189,442.77 and 42,060.07

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Solution

The fourth proportional to 126,322.55, 189,442.77 and 42,060.07 is: 63,076.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,322.55 : 189,442.77 = 42,060.07 : x
  2. Step 2: Convert to fraction form
    126,322.55/189,442.77 = 42,060.07/x
  3. Step 3: Cross multiply
    126,322.55x = 189,442.77 × 42,060.07
  4. Step 4: Simplify right side
    126,322.55x = 7,967,976,167.19
  5. Step 5: Solve for x
    x = 7,967,976,167.19/126,322.55
  6. Step 6: Final answer
    x = 63,076.44

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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.