Home / 209,830.33-314,838.54-109,966.81

Finding the Fourth Proportional to 209,830.33, 314,838.54 and 109,966.81

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Solution

The fourth proportional to 209,830.33, 314,838.54 and 109,966.81 is: 164,998.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,830.33 : 314,838.54 = 109,966.81 : x
  2. Step 2: Convert to fraction form
    209,830.33/314,838.54 = 109,966.81/x
  3. Step 3: Cross multiply
    209,830.33x = 314,838.54 × 109,966.81
  4. Step 4: Simplify right side
    209,830.33x = 34,621,789,908.86
  5. Step 5: Solve for x
    x = 34,621,789,908.86/209,830.33
  6. Step 6: Final answer
    x = 164,998.98

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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.