Home / 158,840.16-238,396.94-92,187.70

Finding the Fourth Proportional to 158,840.16, 238,396.94 and 92,187.70

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Solution

The fourth proportional to 158,840.16, 238,396.94 and 92,187.70 is: 138,360.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,840.16 : 238,396.94 = 92,187.70 : x
  2. Step 2: Convert to fraction form
    158,840.16/238,396.94 = 92,187.70/x
  3. Step 3: Cross multiply
    158,840.16x = 238,396.94 × 92,187.70
  4. Step 4: Simplify right side
    158,840.16x = 21,977,265,585.64
  5. Step 5: Solve for x
    x = 21,977,265,585.64/158,840.16
  6. Step 6: Final answer
    x = 138,360.89

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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.