Home / 133,050.63-183,609.87-90,683.17

Finding the Fourth Proportional to 133,050.63, 183,609.87 and 90,683.17

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Solution

The fourth proportional to 133,050.63, 183,609.87 and 90,683.17 is: 125,142.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,050.63 : 183,609.87 = 90,683.17 : x
  2. Step 2: Convert to fraction form
    133,050.63/183,609.87 = 90,683.17/x
  3. Step 3: Cross multiply
    133,050.63x = 183,609.87 × 90,683.17
  4. Step 4: Simplify right side
    133,050.63x = 16,650,325,054.89
  5. Step 5: Solve for x
    x = 16,650,325,054.89/133,050.63
  6. Step 6: Final answer
    x = 125,142.78

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Why These Related Problems?

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