Home / 221,365.56-305,483.04-125,872.22

Finding the Fourth Proportional to 221,365.56, 305,483.04 and 125,872.22

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Solution

The fourth proportional to 221,365.56, 305,483.04 and 125,872.22 is: 173,702.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,365.56 : 305,483.04 = 125,872.22 : x
  2. Step 2: Convert to fraction form
    221,365.56/305,483.04 = 125,872.22/x
  3. Step 3: Cross multiply
    221,365.56x = 305,483.04 × 125,872.22
  4. Step 4: Simplify right side
    221,365.56x = 38,451,828,417.15
  5. Step 5: Solve for x
    x = 38,451,828,417.15/221,365.56
  6. Step 6: Final answer
    x = 173,702.85

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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.