Home / 209,821.50-289,466.96-146,196.18

Finding the Fourth Proportional to 209,821.50, 289,466.96 and 146,196.18

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Solution

The fourth proportional to 209,821.50, 289,466.96 and 146,196.18 is: 201,690.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,821.50 : 289,466.96 = 146,196.18 : x
  2. Step 2: Convert to fraction form
    209,821.50/289,466.96 = 146,196.18/x
  3. Step 3: Cross multiply
    209,821.50x = 289,466.96 × 146,196.18
  4. Step 4: Simplify right side
    209,821.50x = 42,318,963,788.21
  5. Step 5: Solve for x
    x = 42,318,963,788.21/209,821.50
  6. Step 6: Final answer
    x = 201,690.31

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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.