Home / 151,130.40-226,501.20-91,903.20

Finding the Fourth Proportional to 151,130.40, 226,501.20 and 91,903.20

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Solution

The fourth proportional to 151,130.40, 226,501.20 and 91,903.20 is: 137,736.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,130.40 : 226,501.20 = 91,903.20 : x
  2. Step 2: Convert to fraction form
    151,130.40/226,501.20 = 91,903.20/x
  3. Step 3: Cross multiply
    151,130.40x = 226,501.20 × 91,903.20
  4. Step 4: Simplify right side
    151,130.40x = 20,816,185,083.84
  5. Step 5: Solve for x
    x = 20,816,185,083.84/151,130.40
  6. Step 6: Final answer
    x = 137,736.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.