Home / 253,020.90-349,191.06-139,865.52

Finding the Fourth Proportional to 253,020.90, 349,191.06 and 139,865.52

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Solution

The fourth proportional to 253,020.90, 349,191.06 and 139,865.52 is: 193,026.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,020.90 : 349,191.06 = 139,865.52 : x
  2. Step 2: Convert to fraction form
    253,020.90/349,191.06 = 139,865.52/x
  3. Step 3: Cross multiply
    253,020.90x = 349,191.06 × 139,865.52
  4. Step 4: Simplify right side
    253,020.90x = 48,839,789,186.25
  5. Step 5: Solve for x
    x = 48,839,789,186.25/253,020.90
  6. Step 6: Final answer
    x = 193,026.70

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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.