Home / 252,204.48-348,044.52-139,031.28

Finding the Fourth Proportional to 252,204.48, 348,044.52 and 139,031.28

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Solution

The fourth proportional to 252,204.48, 348,044.52 and 139,031.28 is: 191,864.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,204.48 : 348,044.52 = 139,031.28 : x
  2. Step 2: Convert to fraction form
    252,204.48/348,044.52 = 139,031.28/x
  3. Step 3: Cross multiply
    252,204.48x = 348,044.52 × 139,031.28
  4. Step 4: Simplify right side
    252,204.48x = 48,389,075,112.59
  5. Step 5: Solve for x
    x = 48,389,075,112.59/252,204.48
  6. Step 6: Final answer
    x = 191,864.46

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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.