Home / 158,849.93-219,215.41-86,252.78

Finding the Fourth Proportional to 158,849.93, 219,215.41 and 86,252.78

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Solution

The fourth proportional to 158,849.93, 219,215.41 and 86,252.78 is: 119,030.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,849.93 : 219,215.41 = 86,252.78 : x
  2. Step 2: Convert to fraction form
    158,849.93/219,215.41 = 86,252.78/x
  3. Step 3: Cross multiply
    158,849.93x = 219,215.41 × 86,252.78
  4. Step 4: Simplify right side
    158,849.93x = 18,907,937,219.63
  5. Step 5: Solve for x
    x = 18,907,937,219.63/158,849.93
  6. Step 6: Final answer
    x = 119,030.19

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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.