Home / 225,191.42-310,816.05-148,725.62

Finding the Fourth Proportional to 225,191.42, 310,816.05 and 148,725.62

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Solution

The fourth proportional to 225,191.42, 310,816.05 and 148,725.62 is: 205,275.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,191.42 : 310,816.05 = 148,725.62 : x
  2. Step 2: Convert to fraction form
    225,191.42/310,816.05 = 148,725.62/x
  3. Step 3: Cross multiply
    225,191.42x = 310,816.05 × 148,725.62
  4. Step 4: Simplify right side
    225,191.42x = 46,226,309,742.20
  5. Step 5: Solve for x
    x = 46,226,309,742.20/225,191.42
  6. Step 6: Final answer
    x = 205,275.63

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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.