Home / 238,582.55-357,578.37-120,189.30

Finding the Fourth Proportional to 238,582.55, 357,578.37 and 120,189.30

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Solution

The fourth proportional to 238,582.55, 357,578.37 and 120,189.30 is: 180,135.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,582.55 : 357,578.37 = 120,189.30 : x
  2. Step 2: Convert to fraction form
    238,582.55/357,578.37 = 120,189.30/x
  3. Step 3: Cross multiply
    238,582.55x = 357,578.37 × 120,189.30
  4. Step 4: Simplify right side
    238,582.55x = 42,977,093,985.44
  5. Step 5: Solve for x
    x = 42,977,093,985.44/238,582.55
  6. Step 6: Final answer
    x = 180,135.11

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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.