Home / 209,703.60-289,394.04-119,056.56

Finding the Fourth Proportional to 209,703.60, 289,394.04 and 119,056.56

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Solution

The fourth proportional to 209,703.60, 289,394.04 and 119,056.56 is: 164,299.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,703.60 : 289,394.04 = 119,056.56 : x
  2. Step 2: Convert to fraction form
    209,703.60/289,394.04 = 119,056.56/x
  3. Step 3: Cross multiply
    209,703.60x = 289,394.04 × 119,056.56
  4. Step 4: Simplify right side
    209,703.60x = 34,454,258,886.90
  5. Step 5: Solve for x
    x = 34,454,258,886.90/209,703.60
  6. Step 6: Final answer
    x = 164,299.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.