Home / 188,214.32-259,732.52-103,330.76

Finding the Fourth Proportional to 188,214.32, 259,732.52 and 103,330.76

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Solution

The fourth proportional to 188,214.32, 259,732.52 and 103,330.76 is: 142,594.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,214.32 : 259,732.52 = 103,330.76 : x
  2. Step 2: Convert to fraction form
    188,214.32/259,732.52 = 103,330.76/x
  3. Step 3: Cross multiply
    188,214.32x = 259,732.52 × 103,330.76
  4. Step 4: Simplify right side
    188,214.32x = 26,838,358,688.32
  5. Step 5: Solve for x
    x = 26,838,358,688.32/188,214.32
  6. Step 6: Final answer
    x = 142,594.67

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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.