Home / 146,690.84-202,434.03-83,040.95

Finding the Fourth Proportional to 146,690.84, 202,434.03 and 83,040.95

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Solution

The fourth proportional to 146,690.84, 202,434.03 and 83,040.95 is: 114,596.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,690.84 : 202,434.03 = 83,040.95 : x
  2. Step 2: Convert to fraction form
    146,690.84/202,434.03 = 83,040.95/x
  3. Step 3: Cross multiply
    146,690.84x = 202,434.03 × 83,040.95
  4. Step 4: Simplify right side
    146,690.84x = 16,810,314,669.61
  5. Step 5: Solve for x
    x = 16,810,314,669.61/146,690.84
  6. Step 6: Final answer
    x = 114,596.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.