Home / 253,333.12-349,590.08-140,160.64

Finding the Fourth Proportional to 253,333.12, 349,590.08 and 140,160.64

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Solution

The fourth proportional to 253,333.12, 349,590.08 and 140,160.64 is: 193,416.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,333.12 : 349,590.08 = 140,160.64 : x
  2. Step 2: Convert to fraction form
    253,333.12/349,590.08 = 140,160.64/x
  3. Step 3: Cross multiply
    253,333.12x = 349,590.08 × 140,160.64
  4. Step 4: Simplify right side
    253,333.12x = 48,998,769,350.45
  5. Step 5: Solve for x
    x = 48,998,769,350.45/253,333.12
  6. Step 6: Final answer
    x = 193,416.36

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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.