Home / 215,677.41-297,599.81-125,015.66

Finding the Fourth Proportional to 215,677.41, 297,599.81 and 125,015.66

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Solution

The fourth proportional to 215,677.41, 297,599.81 and 125,015.66 is: 172,501.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,677.41 : 297,599.81 = 125,015.66 : x
  2. Step 2: Convert to fraction form
    215,677.41/297,599.81 = 125,015.66/x
  3. Step 3: Cross multiply
    215,677.41x = 297,599.81 × 125,015.66
  4. Step 4: Simplify right side
    215,677.41x = 37,204,636,663.02
  5. Step 5: Solve for x
    x = 37,204,636,663.02/215,677.41
  6. Step 6: Final answer
    x = 172,501.31

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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.