Home / 144,513.06-216,489.18-106,493.35

Finding the Fourth Proportional to 144,513.06, 216,489.18 and 106,493.35

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Solution

The fourth proportional to 144,513.06, 216,489.18 and 106,493.35 is: 159,533.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,513.06 : 216,489.18 = 106,493.35 : x
  2. Step 2: Convert to fraction form
    144,513.06/216,489.18 = 106,493.35/x
  3. Step 3: Cross multiply
    144,513.06x = 216,489.18 × 106,493.35
  4. Step 4: Simplify right side
    144,513.06x = 23,054,658,016.95
  5. Step 5: Solve for x
    x = 23,054,658,016.95/144,513.06
  6. Step 6: Final answer
    x = 159,533.39

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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.