Home / 126,411.81-189,673.04-59,899.41

Finding the Fourth Proportional to 126,411.81, 189,673.04 and 59,899.41

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Solution

The fourth proportional to 126,411.81, 189,673.04 and 59,899.41 is: 89,875.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,411.81 : 189,673.04 = 59,899.41 : x
  2. Step 2: Convert to fraction form
    126,411.81/189,673.04 = 59,899.41/x
  3. Step 3: Cross multiply
    126,411.81x = 189,673.04 × 59,899.41
  4. Step 4: Simplify right side
    126,411.81x = 11,361,303,188.91
  5. Step 5: Solve for x
    x = 11,361,303,188.91/126,411.81
  6. Step 6: Final answer
    x = 89,875.33

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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.