Home / 146,866.30-220,304.23-69,912.60

Finding the Fourth Proportional to 146,866.30, 220,304.23 and 69,912.60

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Solution

The fourth proportional to 146,866.30, 220,304.23 and 69,912.60 is: 104,871.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,866.30 : 220,304.23 = 69,912.60 : x
  2. Step 2: Convert to fraction form
    146,866.30/220,304.23 = 69,912.60/x
  3. Step 3: Cross multiply
    146,866.30x = 220,304.23 × 69,912.60
  4. Step 4: Simplify right side
    146,866.30x = 15,402,041,510.30
  5. Step 5: Solve for x
    x = 15,402,041,510.30/146,866.30
  6. Step 6: Final answer
    x = 104,871.18

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1.5x scale

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.