Home / 151,723.52-209,283.84-109,214.72

Finding the Fourth Proportional to 151,723.52, 209,283.84 and 109,214.72

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Solution

The fourth proportional to 151,723.52, 209,283.84 and 109,214.72 is: 150,648.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,723.52 : 209,283.84 = 109,214.72 : x
  2. Step 2: Convert to fraction form
    151,723.52/209,283.84 = 109,214.72/x
  3. Step 3: Cross multiply
    151,723.52x = 209,283.84 × 109,214.72
  4. Step 4: Simplify right side
    151,723.52x = 22,856,875,986.12
  5. Step 5: Solve for x
    x = 22,856,875,986.12/151,723.52
  6. Step 6: Final answer
    x = 150,648.21

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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.