Home / 147,262.28-203,248.58-86,829.32

Finding the Fourth Proportional to 147,262.28, 203,248.58 and 86,829.32

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Solution

The fourth proportional to 147,262.28, 203,248.58 and 86,829.32 is: 119,840.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,262.28 : 203,248.58 = 86,829.32 : x
  2. Step 2: Convert to fraction form
    147,262.28/203,248.58 = 86,829.32/x
  3. Step 3: Cross multiply
    147,262.28x = 203,248.58 × 86,829.32
  4. Step 4: Simplify right side
    147,262.28x = 17,647,935,992.37
  5. Step 5: Solve for x
    x = 17,647,935,992.37/147,262.28
  6. Step 6: Final answer
    x = 119,840.17

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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.