Home / 215,677.78-297,636.51-125,087.46

Finding the Fourth Proportional to 215,677.78, 297,636.51 and 125,087.46

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Solution

The fourth proportional to 215,677.78, 297,636.51 and 125,087.46 is: 172,621.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,677.78 : 297,636.51 = 125,087.46 : x
  2. Step 2: Convert to fraction form
    215,677.78/297,636.51 = 125,087.46/x
  3. Step 3: Cross multiply
    215,677.78x = 297,636.51 × 125,087.46
  4. Step 4: Simplify right side
    215,677.78x = 37,230,595,039.16
  5. Step 5: Solve for x
    x = 37,230,595,039.16/215,677.78
  6. Step 6: Final answer
    x = 172,621.38

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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.