Home / 209,412.73-288,924.33-118,761.58

Finding the Fourth Proportional to 209,412.73, 288,924.33 and 118,761.58

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Solution

The fourth proportional to 209,412.73, 288,924.33 and 118,761.58 is: 163,853.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,412.73 : 288,924.33 = 118,761.58 : x
  2. Step 2: Convert to fraction form
    209,412.73/288,924.33 = 118,761.58/x
  3. Step 3: Cross multiply
    209,412.73x = 288,924.33 × 118,761.58
  4. Step 4: Simplify right side
    209,412.73x = 34,313,109,931.24
  5. Step 5: Solve for x
    x = 34,313,109,931.24/209,412.73
  6. Step 6: Final answer
    x = 163,853.98

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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.