Home / 91,346.95-136,872.19-46,911.97

Finding the Fourth Proportional to 91,346.95, 136,872.19 and 46,911.97

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Solution

The fourth proportional to 91,346.95, 136,872.19 and 46,911.97 is: 70,291.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,346.95 : 136,872.19 = 46,911.97 : x
  2. Step 2: Convert to fraction form
    91,346.95/136,872.19 = 46,911.97/x
  3. Step 3: Cross multiply
    91,346.95x = 136,872.19 × 46,911.97
  4. Step 4: Simplify right side
    91,346.95x = 6,420,944,071.11
  5. Step 5: Solve for x
    x = 6,420,944,071.11/91,346.95
  6. Step 6: Final answer
    x = 70,291.83

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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.