Home / 101,003.36-139,387.36-55,686.24

Finding the Fourth Proportional to 101,003.36, 139,387.36 and 55,686.24

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Solution

The fourth proportional to 101,003.36, 139,387.36 and 55,686.24 is: 76,848.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,003.36 : 139,387.36 = 55,686.24 : x
  2. Step 2: Convert to fraction form
    101,003.36/139,387.36 = 55,686.24/x
  3. Step 3: Cross multiply
    101,003.36x = 139,387.36 × 55,686.24
  4. Step 4: Simplify right side
    101,003.36x = 7,761,957,981.93
  5. Step 5: Solve for x
    x = 7,761,957,981.93/101,003.36
  6. Step 6: Final answer
    x = 76,848.51

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1.5x scale

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.