Home / 181,943.60-272,915.40-57,284.60

Finding the Fourth Proportional to 181,943.60, 272,915.40 and 57,284.60

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Solution

The fourth proportional to 181,943.60, 272,915.40 and 57,284.60 is: 85,926.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,943.60 : 272,915.40 = 57,284.60 : x
  2. Step 2: Convert to fraction form
    181,943.60/272,915.40 = 57,284.60/x
  3. Step 3: Cross multiply
    181,943.60x = 272,915.40 × 57,284.60
  4. Step 4: Simplify right side
    181,943.60x = 15,633,849,522.84
  5. Step 5: Solve for x
    x = 15,633,849,522.84/181,943.60
  6. Step 6: Final answer
    x = 85,926.90

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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.