Home / 136,423.53-188,261.87-75,999.15

Finding the Fourth Proportional to 136,423.53, 188,261.87 and 75,999.15

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Solution

The fourth proportional to 136,423.53, 188,261.87 and 75,999.15 is: 104,877.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,423.53 : 188,261.87 = 75,999.15 : x
  2. Step 2: Convert to fraction form
    136,423.53/188,261.87 = 75,999.15/x
  3. Step 3: Cross multiply
    136,423.53x = 188,261.87 × 75,999.15
  4. Step 4: Simplify right side
    136,423.53x = 14,307,741,717.41
  5. Step 5: Solve for x
    x = 14,307,741,717.41/136,423.53
  6. Step 6: Final answer
    x = 104,877.38

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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.