Home / 159,344.70-219,887.10-91,358.40

Finding the Fourth Proportional to 159,344.70, 219,887.10 and 91,358.40

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Solution

The fourth proportional to 159,344.70, 219,887.10 and 91,358.40 is: 126,069.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,344.70 : 219,887.10 = 91,358.40 : x
  2. Step 2: Convert to fraction form
    159,344.70/219,887.10 = 91,358.40/x
  3. Step 3: Cross multiply
    159,344.70x = 219,887.10 × 91,358.40
  4. Step 4: Simplify right side
    159,344.70x = 20,088,533,636.64
  5. Step 5: Solve for x
    x = 20,088,533,636.64/159,344.70
  6. Step 6: Final answer
    x = 126,069.67

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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.