Home / 209,837.32-314,848.92-109,973.64

Finding the Fourth Proportional to 209,837.32, 314,848.92 and 109,973.64

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Solution

The fourth proportional to 209,837.32, 314,848.92 and 109,973.64 is: 165,009.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,837.32 : 314,848.92 = 109,973.64 : x
  2. Step 2: Convert to fraction form
    209,837.32/314,848.92 = 109,973.64/x
  3. Step 3: Cross multiply
    209,837.32x = 314,848.92 × 109,973.64
  4. Step 4: Simplify right side
    209,837.32x = 34,625,081,782.47
  5. Step 5: Solve for x
    x = 34,625,081,782.47/209,837.32
  6. Step 6: Final answer
    x = 165,009.17

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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.