Home / 158,973.66-219,389.04-87,356.25

Finding the Fourth Proportional to 158,973.66, 219,389.04 and 87,356.25

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Solution

The fourth proportional to 158,973.66, 219,389.04 and 87,356.25 is: 120,554.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,973.66 : 219,389.04 = 87,356.25 : x
  2. Step 2: Convert to fraction form
    158,973.66/219,389.04 = 87,356.25/x
  3. Step 3: Cross multiply
    158,973.66x = 219,389.04 × 87,356.25
  4. Step 4: Simplify right side
    158,973.66x = 19,165,003,825.50
  5. Step 5: Solve for x
    x = 19,165,003,825.50/158,973.66
  6. Step 6: Final answer
    x = 120,554.59

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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.