Home / 91,114.42-136,677.39-38,516.98

Finding the Fourth Proportional to 91,114.42, 136,677.39 and 38,516.98

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Solution

The fourth proportional to 91,114.42, 136,677.39 and 38,516.98 is: 57,777.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,114.42 : 136,677.39 = 38,516.98 : x
  2. Step 2: Convert to fraction form
    91,114.42/136,677.39 = 38,516.98/x
  3. Step 3: Cross multiply
    91,114.42x = 136,677.39 × 38,516.98
  4. Step 4: Simplify right side
    91,114.42x = 5,264,400,297.08
  5. Step 5: Solve for x
    x = 5,264,400,297.08/91,114.42
  6. Step 6: Final answer
    x = 57,777.90

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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.