Home / 112,042.36-167,668.64-69,942.20

Finding the Fourth Proportional to 112,042.36, 167,668.64 and 69,942.20

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Solution

The fourth proportional to 112,042.36, 167,668.64 and 69,942.20 is: 104,666.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,042.36 : 167,668.64 = 69,942.20 : x
  2. Step 2: Convert to fraction form
    112,042.36/167,668.64 = 69,942.20/x
  3. Step 3: Cross multiply
    112,042.36x = 167,668.64 × 69,942.20
  4. Step 4: Simplify right side
    112,042.36x = 11,727,113,552.61
  5. Step 5: Solve for x
    x = 11,727,113,552.61/112,042.36
  6. Step 6: Final answer
    x = 104,666.78

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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.