Home / 137,877.30-190,343.24-92,792.30

Finding the Fourth Proportional to 137,877.30, 190,343.24 and 92,792.30

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Solution

The fourth proportional to 137,877.30, 190,343.24 and 92,792.30 is: 128,102.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,877.30 : 190,343.24 = 92,792.30 : x
  2. Step 2: Convert to fraction form
    137,877.30/190,343.24 = 92,792.30/x
  3. Step 3: Cross multiply
    137,877.30x = 190,343.24 × 92,792.30
  4. Step 4: Simplify right side
    137,877.30x = 17,662,385,613.37
  5. Step 5: Solve for x
    x = 17,662,385,613.37/137,877.30
  6. Step 6: Final answer
    x = 128,102.20

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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.