Home / 101,254.56-139,725.12-60,981.36

Finding the Fourth Proportional to 101,254.56, 139,725.12 and 60,981.36

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Solution

The fourth proportional to 101,254.56, 139,725.12 and 60,981.36 is: 84,150.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,254.56 : 139,725.12 = 60,981.36 : x
  2. Step 2: Convert to fraction form
    101,254.56/139,725.12 = 60,981.36/x
  3. Step 3: Cross multiply
    101,254.56x = 139,725.12 × 60,981.36
  4. Step 4: Simplify right side
    101,254.56x = 8,520,627,843.76
  5. Step 5: Solve for x
    x = 8,520,627,843.76/101,254.56
  6. Step 6: Final answer
    x = 84,150.56

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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.