Home / 80,567.22-111,196.08-67,117.17

Finding the Fourth Proportional to 80,567.22, 111,196.08 and 67,117.17

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Solution

The fourth proportional to 80,567.22, 111,196.08 and 67,117.17 is: 92,632.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,567.22 : 111,196.08 = 67,117.17 : x
  2. Step 2: Convert to fraction form
    80,567.22/111,196.08 = 67,117.17/x
  3. Step 3: Cross multiply
    80,567.22x = 111,196.08 × 67,117.17
  4. Step 4: Simplify right side
    80,567.22x = 7,463,166,204.69
  5. Step 5: Solve for x
    x = 7,463,166,204.69/80,567.22
  6. Step 6: Final answer
    x = 92,632.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.