Home / 245,943.85-339,426.72-143,963.13

Finding the Fourth Proportional to 245,943.85, 339,426.72 and 143,963.13

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Solution

The fourth proportional to 245,943.85, 339,426.72 and 143,963.13 is: 198,683.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,943.85 : 339,426.72 = 143,963.13 : x
  2. Step 2: Convert to fraction form
    245,943.85/339,426.72 = 143,963.13/x
  3. Step 3: Cross multiply
    245,943.85x = 339,426.72 × 143,963.13
  4. Step 4: Simplify right side
    245,943.85x = 48,864,931,743.98
  5. Step 5: Solve for x
    x = 48,864,931,743.98/245,943.85
  6. Step 6: Final answer
    x = 198,683.29

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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.