Home / 101,054.04-139,443.84-55,729.02

Finding the Fourth Proportional to 101,054.04, 139,443.84 and 55,729.02

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Solution

The fourth proportional to 101,054.04, 139,443.84 and 55,729.02 is: 76,900.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,054.04 : 139,443.84 = 55,729.02 : x
  2. Step 2: Convert to fraction form
    101,054.04/139,443.84 = 55,729.02/x
  3. Step 3: Cross multiply
    101,054.04x = 139,443.84 × 55,729.02
  4. Step 4: Simplify right side
    101,054.04x = 7,771,068,548.24
  5. Step 5: Solve for x
    x = 7,771,068,548.24/101,054.04
  6. Step 6: Final answer
    x = 76,900.13

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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.