Home / 130,932.46-196,484.79-71,809.63

Finding the Fourth Proportional to 130,932.46, 196,484.79 and 71,809.63

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Solution

The fourth proportional to 130,932.46, 196,484.79 and 71,809.63 is: 107,761.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,932.46 : 196,484.79 = 71,809.63 : x
  2. Step 2: Convert to fraction form
    130,932.46/196,484.79 = 71,809.63/x
  3. Step 3: Cross multiply
    130,932.46x = 196,484.79 × 71,809.63
  4. Step 4: Simplify right side
    130,932.46x = 14,109,500,070.53
  5. Step 5: Solve for x
    x = 14,109,500,070.53/130,932.46
  6. Step 6: Final answer
    x = 107,761.67

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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.