Home / 145,266.42-200,004.21-123,960.18

Finding the Fourth Proportional to 145,266.42, 200,004.21 and 123,960.18

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Solution

The fourth proportional to 145,266.42, 200,004.21 and 123,960.18 is: 170,669.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,266.42 : 200,004.21 = 123,960.18 : x
  2. Step 2: Convert to fraction form
    145,266.42/200,004.21 = 123,960.18/x
  3. Step 3: Cross multiply
    145,266.42x = 200,004.21 × 123,960.18
  4. Step 4: Simplify right side
    145,266.42x = 24,792,557,872.36
  5. Step 5: Solve for x
    x = 24,792,557,872.36/145,266.42
  6. Step 6: Final answer
    x = 170,669.57

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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.