Home / 225,249.34-310,813.40-134,586.15

Finding the Fourth Proportional to 225,249.34, 310,813.40 and 134,586.15

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Solution

The fourth proportional to 225,249.34, 310,813.40 and 134,586.15 is: 185,710.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,249.34 : 310,813.40 = 134,586.15 : x
  2. Step 2: Convert to fraction form
    225,249.34/310,813.40 = 134,586.15/x
  3. Step 3: Cross multiply
    225,249.34x = 310,813.40 × 134,586.15
  4. Step 4: Simplify right side
    225,249.34x = 41,831,179,210.88
  5. Step 5: Solve for x
    x = 41,831,179,210.88/225,249.34
  6. Step 6: Final answer
    x = 185,710.55

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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.