Home / 114,444.12-171,476.10-80,998.68

Finding the Fourth Proportional to 114,444.12, 171,476.10 and 80,998.68

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Solution

The fourth proportional to 114,444.12, 171,476.10 and 80,998.68 is: 121,363.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,444.12 : 171,476.10 = 80,998.68 : x
  2. Step 2: Convert to fraction form
    114,444.12/171,476.10 = 80,998.68/x
  3. Step 3: Cross multiply
    114,444.12x = 171,476.10 × 80,998.68
  4. Step 4: Simplify right side
    114,444.12x = 13,889,337,751.55
  5. Step 5: Solve for x
    x = 13,889,337,751.55/114,444.12
  6. Step 6: Final answer
    x = 121,363.49

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1.5x scale

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.