Home / 133,317.09-183,977.69-72,886.77

Finding the Fourth Proportional to 133,317.09, 183,977.69 and 72,886.77

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Solution

The fourth proportional to 133,317.09, 183,977.69 and 72,886.77 is: 100,583.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,317.09 : 183,977.69 = 72,886.77 : x
  2. Step 2: Convert to fraction form
    133,317.09/183,977.69 = 72,886.77/x
  3. Step 3: Cross multiply
    133,317.09x = 183,977.69 × 72,886.77
  4. Step 4: Simplify right side
    133,317.09x = 13,409,539,211.73
  5. Step 5: Solve for x
    x = 13,409,539,211.73/133,317.09
  6. Step 6: Final answer
    x = 100,583.80

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.