Home / 253,134.20-349,332.19-139,961.00

Finding the Fourth Proportional to 253,134.20, 349,332.19 and 139,961.00

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Solution

The fourth proportional to 253,134.20, 349,332.19 and 139,961.00 is: 193,150.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,134.20 : 349,332.19 = 139,961.00 : x
  2. Step 2: Convert to fraction form
    253,134.20/349,332.19 = 139,961.00/x
  3. Step 3: Cross multiply
    253,134.20x = 349,332.19 × 139,961.00
  4. Step 4: Simplify right side
    253,134.20x = 48,892,880,548.03
  5. Step 5: Solve for x
    x = 48,892,880,548.03/253,134.20
  6. Step 6: Final answer
    x = 193,150.04

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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.