Home / 154,359.94-231,592.35-83,289.32

Finding the Fourth Proportional to 154,359.94, 231,592.35 and 83,289.32

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Solution

The fourth proportional to 154,359.94, 231,592.35 and 83,289.32 is: 124,962.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,359.94 : 231,592.35 = 83,289.32 : x
  2. Step 2: Convert to fraction form
    154,359.94/231,592.35 = 83,289.32/x
  3. Step 3: Cross multiply
    154,359.94x = 231,592.35 × 83,289.32
  4. Step 4: Simplify right side
    154,359.94x = 19,289,169,348.70
  5. Step 5: Solve for x
    x = 19,289,169,348.70/154,359.94
  6. Step 6: Final answer
    x = 124,962.28

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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.