Home / 168,222.50-232,146.90-91,741.74

Finding the Fourth Proportional to 168,222.50, 232,146.90 and 91,741.74

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Solution

The fourth proportional to 168,222.50, 232,146.90 and 91,741.74 is: 126,603.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,222.50 : 232,146.90 = 91,741.74 : x
  2. Step 2: Convert to fraction form
    168,222.50/232,146.90 = 91,741.74/x
  3. Step 3: Cross multiply
    168,222.50x = 232,146.90 × 91,741.74
  4. Step 4: Simplify right side
    168,222.50x = 21,297,560,541.61
  5. Step 5: Solve for x
    x = 21,297,560,541.61/168,222.50
  6. Step 6: Final answer
    x = 126,603.52

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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.