Home / 209,519.32-314,120.58-104,412.52

Finding the Fourth Proportional to 209,519.32, 314,120.58 and 104,412.52

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Solution

The fourth proportional to 209,519.32, 314,120.58 and 104,412.52 is: 156,539.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,519.32 : 314,120.58 = 104,412.52 : x
  2. Step 2: Convert to fraction form
    209,519.32/314,120.58 = 104,412.52/x
  3. Step 3: Cross multiply
    209,519.32x = 314,120.58 × 104,412.52
  4. Step 4: Simplify right side
    209,519.32x = 32,798,121,341.66
  5. Step 5: Solve for x
    x = 32,798,121,341.66/209,519.32
  6. Step 6: Final answer
    x = 156,539.84

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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.