Home / 155,355.09-232,871.04-105,439.26

Finding the Fourth Proportional to 155,355.09, 232,871.04 and 105,439.26

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Solution

The fourth proportional to 155,355.09, 232,871.04 and 105,439.26 is: 158,049.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,355.09 : 232,871.04 = 105,439.26 : x
  2. Step 2: Convert to fraction form
    155,355.09/232,871.04 = 105,439.26/x
  3. Step 3: Cross multiply
    155,355.09x = 232,871.04 × 105,439.26
  4. Step 4: Simplify right side
    155,355.09x = 24,553,750,133.03
  5. Step 5: Solve for x
    x = 24,553,750,133.03/155,355.09
  6. Step 6: Final answer
    x = 158,049.22

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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.