Home / 126,543.15-189,750.24-42,273.03

Finding the Fourth Proportional to 126,543.15, 189,750.24 and 42,273.03

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Solution

The fourth proportional to 126,543.15, 189,750.24 and 42,273.03 is: 63,388.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,543.15 : 189,750.24 = 42,273.03 : x
  2. Step 2: Convert to fraction form
    126,543.15/189,750.24 = 42,273.03/x
  3. Step 3: Cross multiply
    126,543.15x = 189,750.24 × 42,273.03
  4. Step 4: Simplify right side
    126,543.15x = 8,021,317,588.03
  5. Step 5: Solve for x
    x = 8,021,317,588.03/126,543.15
  6. Step 6: Final answer
    x = 63,388.00

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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.