Home / 209,567.05-289,194.48-118,917.61

Finding the Fourth Proportional to 209,567.05, 289,194.48 and 118,917.61

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Solution

The fourth proportional to 209,567.05, 289,194.48 and 118,917.61 is: 164,101.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,567.05 : 289,194.48 = 118,917.61 : x
  2. Step 2: Convert to fraction form
    209,567.05/289,194.48 = 118,917.61/x
  3. Step 3: Cross multiply
    209,567.05x = 289,194.48 × 118,917.61
  4. Step 4: Simplify right side
    209,567.05x = 34,390,316,386.79
  5. Step 5: Solve for x
    x = 34,390,316,386.79/209,567.05
  6. Step 6: Final answer
    x = 164,101.73

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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.