Home / 162,409.35-243,589.43-57,203.72

Finding the Fourth Proportional to 162,409.35, 243,589.43 and 57,203.72

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Solution

The fourth proportional to 162,409.35, 243,589.43 and 57,203.72 is: 85,796.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,409.35 : 243,589.43 = 57,203.72 : x
  2. Step 2: Convert to fraction form
    162,409.35/243,589.43 = 57,203.72/x
  3. Step 3: Cross multiply
    162,409.35x = 243,589.43 × 57,203.72
  4. Step 4: Simplify right side
    162,409.35x = 13,934,221,065.43
  5. Step 5: Solve for x
    x = 13,934,221,065.43/162,409.35
  6. Step 6: Final answer
    x = 85,796.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.