Home / 91,203.57-136,712.41-51,677.19

Finding the Fourth Proportional to 91,203.57, 136,712.41 and 51,677.19

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Solution

The fourth proportional to 91,203.57, 136,712.41 and 51,677.19 is: 77,463.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,203.57 : 136,712.41 = 51,677.19 : x
  2. Step 2: Convert to fraction form
    91,203.57/136,712.41 = 51,677.19/x
  3. Step 3: Cross multiply
    91,203.57x = 136,712.41 × 51,677.19
  4. Step 4: Simplify right side
    91,203.57x = 7,064,913,057.73
  5. Step 5: Solve for x
    x = 7,064,913,057.73/91,203.57
  6. Step 6: Final answer
    x = 77,463.12

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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.