Home / 162,160.24-243,240.36-48,309.78

Finding the Fourth Proportional to 162,160.24, 243,240.36 and 48,309.78

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Solution

The fourth proportional to 162,160.24, 243,240.36 and 48,309.78 is: 72,464.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,160.24 : 243,240.36 = 48,309.78 : x
  2. Step 2: Convert to fraction form
    162,160.24/243,240.36 = 48,309.78/x
  3. Step 3: Cross multiply
    162,160.24x = 243,240.36 × 48,309.78
  4. Step 4: Simplify right side
    162,160.24x = 11,750,888,278.72
  5. Step 5: Solve for x
    x = 11,750,888,278.72/162,160.24
  6. Step 6: Final answer
    x = 72,464.67

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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.