Home / 136,656.26-188,594.09-75,402.15

Finding the Fourth Proportional to 136,656.26, 188,594.09 and 75,402.15

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Solution

The fourth proportional to 136,656.26, 188,594.09 and 75,402.15 is: 104,059.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,656.26 : 188,594.09 = 75,402.15 : x
  2. Step 2: Convert to fraction form
    136,656.26/188,594.09 = 75,402.15/x
  3. Step 3: Cross multiply
    136,656.26x = 188,594.09 × 75,402.15
  4. Step 4: Simplify right side
    136,656.26x = 14,220,399,863.29
  5. Step 5: Solve for x
    x = 14,220,399,863.29/136,656.26
  6. Step 6: Final answer
    x = 104,059.63

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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.