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Finding the Fourth Proportional to 144,795.60, 216,901.80 and 100,472.40

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Solution

The fourth proportional to 144,795.60, 216,901.80 and 100,472.40 is: 150,506.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,795.60 : 216,901.80 = 100,472.40 : x
  2. Step 2: Convert to fraction form
    144,795.60/216,901.80 = 100,472.40/x
  3. Step 3: Cross multiply
    144,795.60x = 216,901.80 × 100,472.40
  4. Step 4: Simplify right side
    144,795.60x = 21,792,644,410.32
  5. Step 5: Solve for x
    x = 21,792,644,410.32/144,795.60
  6. Step 6: Final answer
    x = 150,506.26

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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.