Home / 459,235.96-688,852.98-126,811

Finding the Fourth Proportional to 459,235.96, 688,852.98 and 126,811

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Solution

The fourth proportional to 459,235.96, 688,852.98 and 126,811 is: 190,216.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,235.96 : 688,852.98 = 126,811 : x
  2. Step 2: Convert to fraction form
    459,235.96/688,852.98 = 126,811/x
  3. Step 3: Cross multiply
    459,235.96x = 688,852.98 × 126,811
  4. Step 4: Simplify right side
    459,235.96x = 87,354,135,246.78
  5. Step 5: Solve for x
    x = 87,354,135,246.78/459,235.96
  6. Step 6: Final answer
    x = 190,216.23

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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.