Home / 114,897.42-172,121.49-75,333.78

Finding the Fourth Proportional to 114,897.42, 172,121.49 and 75,333.78

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Solution

The fourth proportional to 114,897.42, 172,121.49 and 75,333.78 is: 112,853.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,897.42 : 172,121.49 = 75,333.78 : x
  2. Step 2: Convert to fraction form
    114,897.42/172,121.49 = 75,333.78/x
  3. Step 3: Cross multiply
    114,897.42x = 172,121.49 × 75,333.78
  4. Step 4: Simplify right side
    114,897.42x = 12,966,562,460.93
  5. Step 5: Solve for x
    x = 12,966,562,460.93/114,897.42
  6. Step 6: Final answer
    x = 112,853.38

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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.