Home / 136,437.21-204,686.46-52,195.05

Finding the Fourth Proportional to 136,437.21, 204,686.46 and 52,195.05

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Solution

The fourth proportional to 136,437.21, 204,686.46 and 52,195.05 is: 78,304.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,437.21 : 204,686.46 = 52,195.05 : x
  2. Step 2: Convert to fraction form
    136,437.21/204,686.46 = 52,195.05/x
  3. Step 3: Cross multiply
    136,437.21x = 204,686.46 × 52,195.05
  4. Step 4: Simplify right side
    136,437.21x = 10,683,620,014.02
  5. Step 5: Solve for x
    x = 10,683,620,014.02/136,437.21
  6. Step 6: Final answer
    x = 78,304.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.