Home / 91,177.46-136,316.60-77,292.44

Finding the Fourth Proportional to 91,177.46, 136,316.60 and 77,292.44

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Solution

The fourth proportional to 91,177.46, 136,316.60 and 77,292.44 is: 115,557.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,177.46 : 136,316.60 = 77,292.44 : x
  2. Step 2: Convert to fraction form
    91,177.46/136,316.60 = 77,292.44/x
  3. Step 3: Cross multiply
    91,177.46x = 136,316.60 × 77,292.44
  4. Step 4: Simplify right side
    91,177.46x = 10,536,242,626.50
  5. Step 5: Solve for x
    x = 10,536,242,626.50/91,177.46
  6. Step 6: Final answer
    x = 115,557.54

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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.