Home / 209,624.74-289,267.55-118,982.56

Finding the Fourth Proportional to 209,624.74, 289,267.55 and 118,982.56

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Solution

The fourth proportional to 209,624.74, 289,267.55 and 118,982.56 is: 164,187.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,624.74 : 289,267.55 = 118,982.56 : x
  2. Step 2: Convert to fraction form
    209,624.74/289,267.55 = 118,982.56/x
  3. Step 3: Cross multiply
    209,624.74x = 289,267.55 × 118,982.56
  4. Step 4: Simplify right side
    209,624.74x = 34,417,793,623.93
  5. Step 5: Solve for x
    x = 34,417,793,623.93/209,624.74
  6. Step 6: Final answer
    x = 164,187.65

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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.