Home / 155,420.46-233,130.68-102,817.64

Finding the Fourth Proportional to 155,420.46, 233,130.68 and 102,817.64

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Solution

The fourth proportional to 155,420.46, 233,130.68 and 102,817.64 is: 154,226.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,420.46 : 233,130.68 = 102,817.64 : x
  2. Step 2: Convert to fraction form
    155,420.46/233,130.68 = 102,817.64/x
  3. Step 3: Cross multiply
    155,420.46x = 233,130.68 × 102,817.64
  4. Step 4: Simplify right side
    155,420.46x = 23,969,944,649.45
  5. Step 5: Solve for x
    x = 23,969,944,649.45/155,420.46
  6. Step 6: Final answer
    x = 154,226.44

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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.