Home / 151,727.88-209,483.10-135,784.92

Finding the Fourth Proportional to 151,727.88, 209,483.10 and 135,784.92

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Solution

The fourth proportional to 151,727.88, 209,483.10 and 135,784.92 is: 187,471.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,727.88 : 209,483.10 = 135,784.92 : x
  2. Step 2: Convert to fraction form
    151,727.88/209,483.10 = 135,784.92/x
  3. Step 3: Cross multiply
    151,727.88x = 209,483.10 × 135,784.92
  4. Step 4: Simplify right side
    151,727.88x = 28,444,645,974.85
  5. Step 5: Solve for x
    x = 28,444,645,974.85/151,727.88
  6. Step 6: Final answer
    x = 187,471.45

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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.