Home / 134,102.06-185,062.80-72,849.39

Finding the Fourth Proportional to 134,102.06, 185,062.80 and 72,849.39

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Solution

The fourth proportional to 134,102.06, 185,062.80 and 72,849.39 is: 100,533.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,102.06 : 185,062.80 = 72,849.39 : x
  2. Step 2: Convert to fraction form
    134,102.06/185,062.80 = 72,849.39/x
  3. Step 3: Cross multiply
    134,102.06x = 185,062.80 × 72,849.39
  4. Step 4: Simplify right side
    134,102.06x = 13,481,711,670.89
  5. Step 5: Solve for x
    x = 13,481,711,670.89/134,102.06
  6. Step 6: Final answer
    x = 100,533.22

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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.