Home / 155,504.30-233,256.45-76,772.30

Finding the Fourth Proportional to 155,504.30, 233,256.45 and 76,772.30

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Solution

The fourth proportional to 155,504.30, 233,256.45 and 76,772.30 is: 115,158.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,504.30 : 233,256.45 = 76,772.30 : x
  2. Step 2: Convert to fraction form
    155,504.30/233,256.45 = 76,772.30/x
  3. Step 3: Cross multiply
    155,504.30x = 233,256.45 × 76,772.30
  4. Step 4: Simplify right side
    155,504.30x = 17,907,632,990.05
  5. Step 5: Solve for x
    x = 17,907,632,990.05/155,504.30
  6. Step 6: Final answer
    x = 115,158.45

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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.