Home / 91,235.07-136,865.70-28,060.47

Finding the Fourth Proportional to 91,235.07, 136,865.70 and 28,060.47

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Solution

The fourth proportional to 91,235.07, 136,865.70 and 28,060.47 is: 42,094.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,235.07 : 136,865.70 = 28,060.47 : x
  2. Step 2: Convert to fraction form
    91,235.07/136,865.70 = 28,060.47/x
  3. Step 3: Cross multiply
    91,235.07x = 136,865.70 × 28,060.47
  4. Step 4: Simplify right side
    91,235.07x = 3,840,515,868.88
  5. Step 5: Solve for x
    x = 3,840,515,868.88/91,235.07
  6. Step 6: Final answer
    x = 42,094.73

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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.