Home / 215,349.74-297,179.64-119,856.45

Finding the Fourth Proportional to 215,349.74, 297,179.64 and 119,856.45

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Solution

The fourth proportional to 215,349.74, 297,179.64 and 119,856.45 is: 165,400.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,349.74 : 297,179.64 = 119,856.45 : x
  2. Step 2: Convert to fraction form
    215,349.74/297,179.64 = 119,856.45/x
  3. Step 3: Cross multiply
    215,349.74x = 297,179.64 × 119,856.45
  4. Step 4: Simplify right side
    215,349.74x = 35,618,896,662.68
  5. Step 5: Solve for x
    x = 35,618,896,662.68/215,349.74
  6. Step 6: Final answer
    x = 165,400.23

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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.