Home / 144,913.40-217,370.10-99,812.60

Finding the Fourth Proportional to 144,913.40, 217,370.10 and 99,812.60

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Solution

The fourth proportional to 144,913.40, 217,370.10 and 99,812.60 is: 149,718.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,913.40 : 217,370.10 = 99,812.60 : x
  2. Step 2: Convert to fraction form
    144,913.40/217,370.10 = 99,812.60/x
  3. Step 3: Cross multiply
    144,913.40x = 217,370.10 × 99,812.60
  4. Step 4: Simplify right side
    144,913.40x = 21,696,274,843.26
  5. Step 5: Solve for x
    x = 21,696,274,843.26/144,913.40
  6. Step 6: Final answer
    x = 149,718.90

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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.