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Finding the Fourth Proportional to 159,492.92, 220,191.86 and 105,850.67

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Solution

The fourth proportional to 159,492.92, 220,191.86 and 105,850.67 is: 146,134.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,492.92 : 220,191.86 = 105,850.67 : x
  2. Step 2: Convert to fraction form
    159,492.92/220,191.86 = 105,850.67/x
  3. Step 3: Cross multiply
    159,492.92x = 220,191.86 × 105,850.67
  4. Step 4: Simplify right side
    159,492.92x = 23,307,455,909.55
  5. Step 5: Solve for x
    x = 23,307,455,909.55/159,492.92
  6. Step 6: Final answer
    x = 146,134.74

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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.