Home / 155,429.55-233,144.33-99,442.35

Finding the Fourth Proportional to 155,429.55, 233,144.33 and 99,442.35

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Solution

The fourth proportional to 155,429.55, 233,144.33 and 99,442.35 is: 149,163.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,429.55 : 233,144.33 = 99,442.35 : x
  2. Step 2: Convert to fraction form
    155,429.55/233,144.33 = 99,442.35/x
  3. Step 3: Cross multiply
    155,429.55x = 233,144.33 × 99,442.35
  4. Step 4: Simplify right side
    155,429.55x = 23,184,419,567.16
  5. Step 5: Solve for x
    x = 23,184,419,567.16/155,429.55
  6. Step 6: Final answer
    x = 149,163.53

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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.