Home / 130,774.34-196,190.58-47,668.34

Finding the Fourth Proportional to 130,774.34, 196,190.58 and 47,668.34

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Solution

The fourth proportional to 130,774.34, 196,190.58 and 47,668.34 is: 71,513.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,774.34 : 196,190.58 = 47,668.34 : x
  2. Step 2: Convert to fraction form
    130,774.34/196,190.58 = 47,668.34/x
  3. Step 3: Cross multiply
    130,774.34x = 196,190.58 × 47,668.34
  4. Step 4: Simplify right side
    130,774.34x = 9,352,079,272.24
  5. Step 5: Solve for x
    x = 9,352,079,272.24/130,774.34
  6. Step 6: Final answer
    x = 71,513.11

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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.