Home / 63,148.07-94,737.80-18,774.75

Finding the Fourth Proportional to 63,148.07, 94,737.80 and 18,774.75

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Solution

The fourth proportional to 63,148.07, 94,737.80 and 18,774.75 is: 28,166.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,148.07 : 94,737.80 = 18,774.75 : x
  2. Step 2: Convert to fraction form
    63,148.07/94,737.80 = 18,774.75/x
  3. Step 3: Cross multiply
    63,148.07x = 94,737.80 × 18,774.75
  4. Step 4: Simplify right side
    63,148.07x = 1,778,678,912.75
  5. Step 5: Solve for x
    x = 1,778,678,912.75/63,148.07
  6. Step 6: Final answer
    x = 28,166.80

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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.