Home / 134,915.85-202,150.49-121,008.42

Finding the Fourth Proportional to 134,915.85, 202,150.49 and 121,008.42

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Solution

The fourth proportional to 134,915.85, 202,150.49 and 121,008.42 is: 181,312.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,915.85 : 202,150.49 = 121,008.42 : x
  2. Step 2: Convert to fraction form
    134,915.85/202,150.49 = 121,008.42/x
  3. Step 3: Cross multiply
    134,915.85x = 202,150.49 × 121,008.42
  4. Step 4: Simplify right side
    134,915.85x = 24,461,910,792.08
  5. Step 5: Solve for x
    x = 24,461,910,792.08/134,915.85
  6. Step 6: Final answer
    x = 181,312.36

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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.