Home / 146,868.05-220,306.87-69,914.35

Finding the Fourth Proportional to 146,868.05, 220,306.87 and 69,914.35

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Solution

The fourth proportional to 146,868.05, 220,306.87 and 69,914.35 is: 104,873.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,868.05 : 220,306.87 = 69,914.35 : x
  2. Step 2: Convert to fraction form
    146,868.05/220,306.87 = 69,914.35/x
  3. Step 3: Cross multiply
    146,868.05x = 220,306.87 × 69,914.35
  4. Step 4: Simplify right side
    146,868.05x = 15,402,611,267.01
  5. Step 5: Solve for x
    x = 15,402,611,267.01/146,868.05
  6. Step 6: Final answer
    x = 104,873.81

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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.