Home / 91,277.18-136,967.31-49,156.37

Finding the Fourth Proportional to 91,277.18, 136,967.31 and 49,156.37

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Solution

The fourth proportional to 91,277.18, 136,967.31 and 49,156.37 is: 73,762.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,277.18 : 136,967.31 = 49,156.37 : x
  2. Step 2: Convert to fraction form
    91,277.18/136,967.31 = 49,156.37/x
  3. Step 3: Cross multiply
    91,277.18x = 136,967.31 × 49,156.37
  4. Step 4: Simplify right side
    91,277.18x = 6,732,815,768.26
  5. Step 5: Solve for x
    x = 6,732,815,768.26/91,277.18
  6. Step 6: Final answer
    x = 73,762.31

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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.