Home / 181,943.40-272,915.10-155,371.35

Finding the Fourth Proportional to 181,943.40, 272,915.10 and 155,371.35

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Solution

The fourth proportional to 181,943.40, 272,915.10 and 155,371.35 is: 233,057.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,943.40 : 272,915.10 = 155,371.35 : x
  2. Step 2: Convert to fraction form
    181,943.40/272,915.10 = 155,371.35/x
  3. Step 3: Cross multiply
    181,943.40x = 272,915.10 × 155,371.35
  4. Step 4: Simplify right side
    181,943.40x = 42,403,187,522.39
  5. Step 5: Solve for x
    x = 42,403,187,522.39/181,943.40
  6. Step 6: Final answer
    x = 233,057.03

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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.