Home / 136,272.02-188,053.51-75,842.65

Finding the Fourth Proportional to 136,272.02, 188,053.51 and 75,842.65

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Solution

The fourth proportional to 136,272.02, 188,053.51 and 75,842.65 is: 104,661.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,272.02 : 188,053.51 = 75,842.65 : x
  2. Step 2: Convert to fraction form
    136,272.02/188,053.51 = 75,842.65/x
  3. Step 3: Cross multiply
    136,272.02x = 188,053.51 × 75,842.65
  4. Step 4: Simplify right side
    136,272.02x = 14,262,476,540.20
  5. Step 5: Solve for x
    x = 14,262,476,540.20/136,272.02
  6. Step 6: Final answer
    x = 104,661.81

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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.