Home / 121,263.84-181,896.48-42,322.86

Finding the Fourth Proportional to 121,263.84, 181,896.48 and 42,322.86

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Solution

The fourth proportional to 121,263.84, 181,896.48 and 42,322.86 is: 63,484.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,263.84 : 181,896.48 = 42,322.86 : x
  2. Step 2: Convert to fraction form
    121,263.84/181,896.48 = 42,322.86/x
  3. Step 3: Cross multiply
    121,263.84x = 181,896.48 × 42,322.86
  4. Step 4: Simplify right side
    121,263.84x = 7,698,379,257.53
  5. Step 5: Solve for x
    x = 7,698,379,257.53/121,263.84
  6. Step 6: Final answer
    x = 63,484.54

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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.