Home / 134,931.90-202,362.57-40,136.56

Finding the Fourth Proportional to 134,931.90, 202,362.57 and 40,136.56

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Solution

The fourth proportional to 134,931.90, 202,362.57 and 40,136.56 is: 60,194.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,931.90 : 202,362.57 = 40,136.56 : x
  2. Step 2: Convert to fraction form
    134,931.90/202,362.57 = 40,136.56/x
  3. Step 3: Cross multiply
    134,931.90x = 202,362.57 × 40,136.56
  4. Step 4: Simplify right side
    134,931.90x = 8,122,137,432.56
  5. Step 5: Solve for x
    x = 8,122,137,432.56/134,931.90
  6. Step 6: Final answer
    x = 60,194.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.