Home / 136,237.26-188,008.22-76,621.26

Finding the Fourth Proportional to 136,237.26, 188,008.22 and 76,621.26

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Solution

The fourth proportional to 136,237.26, 188,008.22 and 76,621.26 is: 105,737.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,237.26 : 188,008.22 = 76,621.26 : x
  2. Step 2: Convert to fraction form
    136,237.26/188,008.22 = 76,621.26/x
  3. Step 3: Cross multiply
    136,237.26x = 188,008.22 × 76,621.26
  4. Step 4: Simplify right side
    136,237.26x = 14,405,426,706.76
  5. Step 5: Solve for x
    x = 14,405,426,706.76/136,237.26
  6. Step 6: Final answer
    x = 105,737.79

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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.