Home / 253,169.64-349,373.20-142,779.52

Finding the Fourth Proportional to 253,169.64, 349,373.20 and 142,779.52

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Solution

The fourth proportional to 253,169.64, 349,373.20 and 142,779.52 is: 197,035.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,169.64 : 349,373.20 = 142,779.52 : x
  2. Step 2: Convert to fraction form
    253,169.64/349,373.20 = 142,779.52/x
  3. Step 3: Cross multiply
    253,169.64x = 349,373.20 × 142,779.52
  4. Step 4: Simplify right side
    253,169.64x = 49,883,337,796.86
  5. Step 5: Solve for x
    x = 49,883,337,796.86/253,169.64
  6. Step 6: Final answer
    x = 197,035.23

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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.