Home / 136,175.32-187,921.93-76,559.32

Finding the Fourth Proportional to 136,175.32, 187,921.93 and 76,559.32

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Solution

The fourth proportional to 136,175.32, 187,921.93 and 76,559.32 is: 105,651.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,175.32 : 187,921.93 = 76,559.32 : x
  2. Step 2: Convert to fraction form
    136,175.32/187,921.93 = 76,559.32/x
  3. Step 3: Cross multiply
    136,175.32x = 187,921.93 × 76,559.32
  4. Step 4: Simplify right side
    136,175.32x = 14,387,175,173.89
  5. Step 5: Solve for x
    x = 14,387,175,173.89/136,175.32
  6. Step 6: Final answer
    x = 105,651.86

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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.