Home / 264,603.12-365,153-143,743.42

Finding the Fourth Proportional to 264,603.12, 365,153 and 143,743.42

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Solution

The fourth proportional to 264,603.12, 365,153 and 143,743.42 is: 198,366.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,603.12 : 365,153 = 143,743.42 : x
  2. Step 2: Convert to fraction form
    264,603.12/365,153 = 143,743.42/x
  3. Step 3: Cross multiply
    264,603.12x = 365,153 × 143,743.42
  4. Step 4: Simplify right side
    264,603.12x = 52,488,341,043.26
  5. Step 5: Solve for x
    x = 52,488,341,043.26/264,603.12
  6. Step 6: Final answer
    x = 198,366.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.