Home / 204,075.38-281,580.81-123,487.22

Finding the Fourth Proportional to 204,075.38, 281,580.81 and 123,487.22

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Solution

The fourth proportional to 204,075.38, 281,580.81 and 123,487.22 is: 170,386.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,075.38 : 281,580.81 = 123,487.22 : x
  2. Step 2: Convert to fraction form
    204,075.38/281,580.81 = 123,487.22/x
  3. Step 3: Cross multiply
    204,075.38x = 281,580.81 × 123,487.22
  4. Step 4: Simplify right side
    204,075.38x = 34,771,631,432.25
  5. Step 5: Solve for x
    x = 34,771,631,432.25/204,075.38
  6. Step 6: Final answer
    x = 170,386.21

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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.