Home / 159,013.80-237,181.10-147,991.32

Finding the Fourth Proportional to 159,013.80, 237,181.10 and 147,991.32

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Solution

The fourth proportional to 159,013.80, 237,181.10 and 147,991.32 is: 220,740.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,013.80 : 237,181.10 = 147,991.32 : x
  2. Step 2: Convert to fraction form
    159,013.80/237,181.10 = 147,991.32/x
  3. Step 3: Cross multiply
    159,013.80x = 237,181.10 × 147,991.32
  4. Step 4: Simplify right side
    159,013.80x = 35,100,743,328.10
  5. Step 5: Solve for x
    x = 35,100,743,328.10/159,013.80
  6. Step 6: Final answer
    x = 220,740.23

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.