Home / 162,027.18-223,608.30-90,408.72

Finding the Fourth Proportional to 162,027.18, 223,608.30 and 90,408.72

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Solution

The fourth proportional to 162,027.18, 223,608.30 and 90,408.72 is: 124,770.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,027.18 : 223,608.30 = 90,408.72 : x
  2. Step 2: Convert to fraction form
    162,027.18/223,608.30 = 90,408.72/x
  3. Step 3: Cross multiply
    162,027.18x = 223,608.30 × 90,408.72
  4. Step 4: Simplify right side
    162,027.18x = 20,216,140,184.38
  5. Step 5: Solve for x
    x = 20,216,140,184.38/162,027.18
  6. Step 6: Final answer
    x = 124,770.06

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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.