Home / 128,996.23-193,384.06-48,989.41

Finding the Fourth Proportional to 128,996.23, 193,384.06 and 48,989.41

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Solution

The fourth proportional to 128,996.23, 193,384.06 and 48,989.41 is: 73,442.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,996.23 : 193,384.06 = 48,989.41 : x
  2. Step 2: Convert to fraction form
    128,996.23/193,384.06 = 48,989.41/x
  3. Step 3: Cross multiply
    128,996.23x = 193,384.06 × 48,989.41
  4. Step 4: Simplify right side
    128,996.23x = 9,473,771,002.80
  5. Step 5: Solve for x
    x = 9,473,771,002.80/128,996.23
  6. Step 6: Final answer
    x = 73,442.23

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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.