Home / 126,407.78-189,666.96-59,895.44

Finding the Fourth Proportional to 126,407.78, 189,666.96 and 59,895.44

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Solution

The fourth proportional to 126,407.78, 189,666.96 and 59,895.44 is: 89,869.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,407.78 : 189,666.96 = 59,895.44 : x
  2. Step 2: Convert to fraction form
    126,407.78/189,666.96 = 59,895.44/x
  3. Step 3: Cross multiply
    126,407.78x = 189,666.96 × 59,895.44
  4. Step 4: Simplify right side
    126,407.78x = 11,360,186,022.66
  5. Step 5: Solve for x
    x = 11,360,186,022.66/126,407.78
  6. Step 6: Final answer
    x = 89,869.36

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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.