Home / 155,429.70-233,144.01-66,625.62

Finding the Fourth Proportional to 155,429.70, 233,144.01 and 66,625.62

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Solution

The fourth proportional to 155,429.70, 233,144.01 and 66,625.62 is: 99,938.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,429.70 : 233,144.01 = 66,625.62 : x
  2. Step 2: Convert to fraction form
    155,429.70/233,144.01 = 66,625.62/x
  3. Step 3: Cross multiply
    155,429.70x = 233,144.01 × 66,625.62
  4. Step 4: Simplify right side
    155,429.70x = 15,533,364,215.54
  5. Step 5: Solve for x
    x = 15,533,364,215.54/155,429.70
  6. Step 6: Final answer
    x = 99,938.20

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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.