Home / 91,904.57-137,753.51-46,799.36

Finding the Fourth Proportional to 91,904.57, 137,753.51 and 46,799.36

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Solution

The fourth proportional to 91,904.57, 137,753.51 and 46,799.36 is: 70,146.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,904.57 : 137,753.51 = 46,799.36 : x
  2. Step 2: Convert to fraction form
    91,904.57/137,753.51 = 46,799.36/x
  3. Step 3: Cross multiply
    91,904.57x = 137,753.51 × 46,799.36
  4. Step 4: Simplify right side
    91,904.57x = 6,446,775,182.99
  5. Step 5: Solve for x
    x = 6,446,775,182.99/91,904.57
  6. Step 6: Final answer
    x = 70,146.41

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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.