Home / 136,352-188,183.04-76,747.52

Finding the Fourth Proportional to 136,352, 188,183.04 and 76,747.52

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Solution

The fourth proportional to 136,352, 188,183.04 and 76,747.52 is: 105,921.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,352 : 188,183.04 = 76,747.52 : x
  2. Step 2: Convert to fraction form
    136,352/188,183.04 = 76,747.52/x
  3. Step 3: Cross multiply
    136,352x = 188,183.04 × 76,747.52
  4. Step 4: Simplify right side
    136,352x = 14,442,581,626.06
  5. Step 5: Solve for x
    x = 14,442,581,626.06/136,352
  6. Step 6: Final answer
    x = 105,921.30

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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.