Home / 112,906.27-169,425.02-42,791.05

Finding the Fourth Proportional to 112,906.27, 169,425.02 and 42,791.05

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Solution

The fourth proportional to 112,906.27, 169,425.02 and 42,791.05 is: 64,211.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,906.27 : 169,425.02 = 42,791.05 : x
  2. Step 2: Convert to fraction form
    112,906.27/169,425.02 = 42,791.05/x
  3. Step 3: Cross multiply
    112,906.27x = 169,425.02 × 42,791.05
  4. Step 4: Simplify right side
    112,906.27x = 7,249,874,502.07
  5. Step 5: Solve for x
    x = 7,249,874,502.07/112,906.27
  6. Step 6: Final answer
    x = 64,211.44

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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.