Home / 143,860.27-198,528.02-83,466.87

Finding the Fourth Proportional to 143,860.27, 198,528.02 and 83,466.87

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Solution

The fourth proportional to 143,860.27, 198,528.02 and 83,466.87 is: 115,184.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,860.27 : 198,528.02 = 83,466.87 : x
  2. Step 2: Convert to fraction form
    143,860.27/198,528.02 = 83,466.87/x
  3. Step 3: Cross multiply
    143,860.27x = 198,528.02 × 83,466.87
  4. Step 4: Simplify right side
    143,860.27x = 16,570,512,436.70
  5. Step 5: Solve for x
    x = 16,570,512,436.70/143,860.27
  6. Step 6: Final answer
    x = 115,184.77

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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.