Home / 136,083.34-203,688.26-72,745.07

Finding the Fourth Proportional to 136,083.34, 203,688.26 and 72,745.07

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Solution

The fourth proportional to 136,083.34, 203,688.26 and 72,745.07 is: 108,884.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,083.34 : 203,688.26 = 72,745.07 : x
  2. Step 2: Convert to fraction form
    136,083.34/203,688.26 = 72,745.07/x
  3. Step 3: Cross multiply
    136,083.34x = 203,688.26 × 72,745.07
  4. Step 4: Simplify right side
    136,083.34x = 14,817,316,368.15
  5. Step 5: Solve for x
    x = 14,817,316,368.15/136,083.34
  6. Step 6: Final answer
    x = 108,884.14

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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.