Home / 158,467.25-218,686.53-86,845.74

Finding the Fourth Proportional to 158,467.25, 218,686.53 and 86,845.74

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Solution

The fourth proportional to 158,467.25, 218,686.53 and 86,845.74 is: 119,848.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,467.25 : 218,686.53 = 86,845.74 : x
  2. Step 2: Convert to fraction form
    158,467.25/218,686.53 = 86,845.74/x
  3. Step 3: Cross multiply
    158,467.25x = 218,686.53 × 86,845.74
  4. Step 4: Simplify right side
    158,467.25x = 18,991,993,525.88
  5. Step 5: Solve for x
    x = 18,991,993,525.88/158,467.25
  6. Step 6: Final answer
    x = 119,848.07

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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.