Home / 155,428.20-233,142.30-43,108.20

Finding the Fourth Proportional to 155,428.20, 233,142.30 and 43,108.20

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Solution

The fourth proportional to 155,428.20, 233,142.30 and 43,108.20 is: 64,662.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,428.20 : 233,142.30 = 43,108.20 : x
  2. Step 2: Convert to fraction form
    155,428.20/233,142.30 = 43,108.20/x
  3. Step 3: Cross multiply
    155,428.20x = 233,142.30 × 43,108.20
  4. Step 4: Simplify right side
    155,428.20x = 10,050,344,896.86
  5. Step 5: Solve for x
    x = 10,050,344,896.86/155,428.20
  6. Step 6: Final answer
    x = 64,662.30

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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.