Home / 209,125.74-288,592.51-118,481.51

Finding the Fourth Proportional to 209,125.74, 288,592.51 and 118,481.51

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Solution

The fourth proportional to 209,125.74, 288,592.51 and 118,481.51 is: 163,503.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,125.74 : 288,592.51 = 118,481.51 : x
  2. Step 2: Convert to fraction form
    209,125.74/288,592.51 = 118,481.51/x
  3. Step 3: Cross multiply
    209,125.74x = 288,592.51 × 118,481.51
  4. Step 4: Simplify right side
    209,125.74x = 34,192,874,620.32
  5. Step 5: Solve for x
    x = 34,192,874,620.32/209,125.74
  6. Step 6: Final answer
    x = 163,503.90

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1.5x scale

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.