Home / 136,120.02-187,848.88-75,693.20

Finding the Fourth Proportional to 136,120.02, 187,848.88 and 75,693.20

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Solution

The fourth proportional to 136,120.02, 187,848.88 and 75,693.20 is: 104,458.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,120.02 : 187,848.88 = 75,693.20 : x
  2. Step 2: Convert to fraction form
    136,120.02/187,848.88 = 75,693.20/x
  3. Step 3: Cross multiply
    136,120.02x = 187,848.88 × 75,693.20
  4. Step 4: Simplify right side
    136,120.02x = 14,218,882,843.62
  5. Step 5: Solve for x
    x = 14,218,882,843.62/136,120.02
  6. Step 6: Final answer
    x = 104,458.42

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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.