Home / 209,862.07-314,886.02-109,998.52

Finding the Fourth Proportional to 209,862.07, 314,886.02 and 109,998.52

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Solution

The fourth proportional to 209,862.07, 314,886.02 and 109,998.52 is: 165,046.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,862.07 : 314,886.02 = 109,998.52 : x
  2. Step 2: Convert to fraction form
    209,862.07/314,886.02 = 109,998.52/x
  3. Step 3: Cross multiply
    209,862.07x = 314,886.02 × 109,998.52
  4. Step 4: Simplify right side
    209,862.07x = 34,636,996,168.69
  5. Step 5: Solve for x
    x = 34,636,996,168.69/209,862.07
  6. Step 6: Final answer
    x = 165,046.48

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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.