Home / 254,534.40-351,267.03-139,822.47

Finding the Fourth Proportional to 254,534.40, 351,267.03 and 139,822.47

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Solution

The fourth proportional to 254,534.40, 351,267.03 and 139,822.47 is: 192,960.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,534.40 : 351,267.03 = 139,822.47 : x
  2. Step 2: Convert to fraction form
    254,534.40/351,267.03 = 139,822.47/x
  3. Step 3: Cross multiply
    254,534.40x = 351,267.03 × 139,822.47
  4. Step 4: Simplify right side
    254,534.40x = 49,115,023,764.16
  5. Step 5: Solve for x
    x = 49,115,023,764.16/254,534.40
  6. Step 6: Final answer
    x = 192,960.26

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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.