Home / 130,813.85-196,220.78-104,569.85

Finding the Fourth Proportional to 130,813.85, 196,220.78 and 104,569.85

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Solution

The fourth proportional to 130,813.85, 196,220.78 and 104,569.85 is: 156,854.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,813.85 : 196,220.78 = 104,569.85 : x
  2. Step 2: Convert to fraction form
    130,813.85/196,220.78 = 104,569.85/x
  3. Step 3: Cross multiply
    130,813.85x = 196,220.78 × 104,569.85
  4. Step 4: Simplify right side
    130,813.85x = 20,518,777,008.63
  5. Step 5: Solve for x
    x = 20,518,777,008.63/130,813.85
  6. Step 6: Final answer
    x = 156,854.78

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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.