Home / 74,294.95-111,442.04-18,135.36

Finding the Fourth Proportional to 74,294.95, 111,442.04 and 18,135.36

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Solution

The fourth proportional to 74,294.95, 111,442.04 and 18,135.36 is: 27,202.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,294.95 : 111,442.04 = 18,135.36 : x
  2. Step 2: Convert to fraction form
    74,294.95/111,442.04 = 18,135.36/x
  3. Step 3: Cross multiply
    74,294.95x = 111,442.04 × 18,135.36
  4. Step 4: Simplify right side
    74,294.95x = 2,021,041,133.29
  5. Step 5: Solve for x
    x = 2,021,041,133.29/74,294.95
  6. Step 6: Final answer
    x = 27,202.94

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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.