Home / 147,223.49-220,855.89-72,346.58

Finding the Fourth Proportional to 147,223.49, 220,855.89 and 72,346.58

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Solution

The fourth proportional to 147,223.49, 220,855.89 and 72,346.58 is: 108,530.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,223.49 : 220,855.89 = 72,346.58 : x
  2. Step 2: Convert to fraction form
    147,223.49/220,855.89 = 72,346.58/x
  3. Step 3: Cross multiply
    147,223.49x = 220,855.89 × 72,346.58
  4. Step 4: Simplify right side
    147,223.49x = 15,978,168,314.36
  5. Step 5: Solve for x
    x = 15,978,168,314.36/147,223.49
  6. Step 6: Final answer
    x = 108,530.02

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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.