Home / 136,414.83-188,242.79-75,158.31

Finding the Fourth Proportional to 136,414.83, 188,242.79 and 75,158.31

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Solution

The fourth proportional to 136,414.83, 188,242.79 and 75,158.31 is: 103,713.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,414.83 : 188,242.79 = 75,158.31 : x
  2. Step 2: Convert to fraction form
    136,414.83/188,242.79 = 75,158.31/x
  3. Step 3: Cross multiply
    136,414.83x = 188,242.79 × 75,158.31
  4. Step 4: Simplify right side
    136,414.83x = 14,148,009,590.29
  5. Step 5: Solve for x
    x = 14,148,009,590.29/136,414.83
  6. Step 6: Final answer
    x = 103,713.13

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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.