Home / 209,829.28-289,555.34-119,184.96

Finding the Fourth Proportional to 209,829.28, 289,555.34 and 119,184.96

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Solution

The fourth proportional to 209,829.28, 289,555.34 and 119,184.96 is: 164,470.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,829.28 : 289,555.34 = 119,184.96 : x
  2. Step 2: Convert to fraction form
    209,829.28/289,555.34 = 119,184.96/x
  3. Step 3: Cross multiply
    209,829.28x = 289,555.34 × 119,184.96
  4. Step 4: Simplify right side
    209,829.28x = 34,510,641,615.69
  5. Step 5: Solve for x
    x = 34,510,641,615.69/209,829.28
  6. Step 6: Final answer
    x = 164,470.10

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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.