Home / 215,513.74-297,387.66-120,029.32

Finding the Fourth Proportional to 215,513.74, 297,387.66 and 120,029.32

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Solution

The fourth proportional to 215,513.74, 297,387.66 and 120,029.32 is: 165,628.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,513.74 : 297,387.66 = 120,029.32 : x
  2. Step 2: Convert to fraction form
    215,513.74/297,387.66 = 120,029.32/x
  3. Step 3: Cross multiply
    215,513.74x = 297,387.66 × 120,029.32
  4. Step 4: Simplify right side
    215,513.74x = 35,695,238,606.19
  5. Step 5: Solve for x
    x = 35,695,238,606.19/215,513.74
  6. Step 6: Final answer
    x = 165,628.60

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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.