Home / 143,955.50-198,605.04-83,492.24

Finding the Fourth Proportional to 143,955.50, 198,605.04 and 83,492.24

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Solution

The fourth proportional to 143,955.50, 198,605.04 and 83,492.24 is: 115,188.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,955.50 : 198,605.04 = 83,492.24 : x
  2. Step 2: Convert to fraction form
    143,955.50/198,605.04 = 83,492.24/x
  3. Step 3: Cross multiply
    143,955.50x = 198,605.04 × 83,492.24
  4. Step 4: Simplify right side
    143,955.50x = 16,581,979,664.89
  5. Step 5: Solve for x
    x = 16,581,979,664.89/143,955.50
  6. Step 6: Final answer
    x = 115,188.23

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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.