Home / 209,725.92-314,464.45-83,298.15

Finding the Fourth Proportional to 209,725.92, 314,464.45 and 83,298.15

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Solution

The fourth proportional to 209,725.92, 314,464.45 and 83,298.15 is: 124,897.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,725.92 : 314,464.45 = 83,298.15 : x
  2. Step 2: Convert to fraction form
    209,725.92/314,464.45 = 83,298.15/x
  3. Step 3: Cross multiply
    209,725.92x = 314,464.45 × 83,298.15
  4. Step 4: Simplify right side
    209,725.92x = 26,194,306,925.77
  5. Step 5: Solve for x
    x = 26,194,306,925.77/209,725.92
  6. Step 6: Final answer
    x = 124,897.80

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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.