Home / 120,970.56-181,398.60-42,074.94

Finding the Fourth Proportional to 120,970.56, 181,398.60 and 42,074.94

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Solution

The fourth proportional to 120,970.56, 181,398.60 and 42,074.94 is: 63,092.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,970.56 : 181,398.60 = 42,074.94 : x
  2. Step 2: Convert to fraction form
    120,970.56/181,398.60 = 42,074.94/x
  3. Step 3: Cross multiply
    120,970.56x = 181,398.60 × 42,074.94
  4. Step 4: Simplify right side
    120,970.56x = 7,632,335,211.08
  5. Step 5: Solve for x
    x = 7,632,335,211.08/120,970.56
  6. Step 6: Final answer
    x = 63,092.50

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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.