Home / 155,430.30-233,145.45-143,183.10

Finding the Fourth Proportional to 155,430.30, 233,145.45 and 143,183.10

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Solution

The fourth proportional to 155,430.30, 233,145.45 and 143,183.10 is: 214,774.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,430.30 : 233,145.45 = 143,183.10 : x
  2. Step 2: Convert to fraction form
    155,430.30/233,145.45 = 143,183.10/x
  3. Step 3: Cross multiply
    155,430.30x = 233,145.45 × 143,183.10
  4. Step 4: Simplify right side
    155,430.30x = 33,382,488,281.90
  5. Step 5: Solve for x
    x = 33,382,488,281.90/155,430.30
  6. Step 6: Final answer
    x = 214,774.65

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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.