Home / 155,428.30-233,142.45-143,181.10

Finding the Fourth Proportional to 155,428.30, 233,142.45 and 143,181.10

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Solution

The fourth proportional to 155,428.30, 233,142.45 and 143,181.10 is: 214,771.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,428.30 : 233,142.45 = 143,181.10 : x
  2. Step 2: Convert to fraction form
    155,428.30/233,142.45 = 143,181.10/x
  3. Step 3: Cross multiply
    155,428.30x = 233,142.45 × 143,181.10
  4. Step 4: Simplify right side
    155,428.30x = 33,381,592,447.70
  5. Step 5: Solve for x
    x = 33,381,592,447.70/155,428.30
  6. Step 6: Final answer
    x = 214,771.65

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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.