Home / 215,370.82-297,211.74-119,875.47

Finding the Fourth Proportional to 215,370.82, 297,211.74 and 119,875.47

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Solution

The fourth proportional to 215,370.82, 297,211.74 and 119,875.47 is: 165,428.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,370.82 : 297,211.74 = 119,875.47 : x
  2. Step 2: Convert to fraction form
    215,370.82/297,211.74 = 119,875.47/x
  3. Step 3: Cross multiply
    215,370.82x = 297,211.74 × 119,875.47
  4. Step 4: Simplify right side
    215,370.82x = 35,628,397,022.02
  5. Step 5: Solve for x
    x = 35,628,397,022.02/215,370.82
  6. Step 6: Final answer
    x = 165,428.15

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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.