Home / 209,837.55-314,805.44-83,484.95

Finding the Fourth Proportional to 209,837.55, 314,805.44 and 83,484.95

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Solution

The fourth proportional to 209,837.55, 314,805.44 and 83,484.95 is: 125,246.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,837.55 : 314,805.44 = 83,484.95 : x
  2. Step 2: Convert to fraction form
    209,837.55/314,805.44 = 83,484.95/x
  3. Step 3: Cross multiply
    209,837.55x = 314,805.44 × 83,484.95
  4. Step 4: Simplify right side
    209,837.55x = 26,281,516,418.13
  5. Step 5: Solve for x
    x = 26,281,516,418.13/209,837.55
  6. Step 6: Final answer
    x = 125,246.97

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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.