Home / 146,810.69-202,612.98-82,290.89

Finding the Fourth Proportional to 146,810.69, 202,612.98 and 82,290.89

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Solution

The fourth proportional to 146,810.69, 202,612.98 and 82,290.89 is: 113,569.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,810.69 : 202,612.98 = 82,290.89 : x
  2. Step 2: Convert to fraction form
    146,810.69/202,612.98 = 82,290.89/x
  3. Step 3: Cross multiply
    146,810.69x = 202,612.98 × 82,290.89
  4. Step 4: Simplify right side
    146,810.69x = 16,673,202,801.99
  5. Step 5: Solve for x
    x = 16,673,202,801.99/146,810.69
  6. Step 6: Final answer
    x = 113,569.40

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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.