Home / 133,259.85-183,880.83-85,577.79

Finding the Fourth Proportional to 133,259.85, 183,880.83 and 85,577.79

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Solution

The fourth proportional to 133,259.85, 183,880.83 and 85,577.79 is: 118,085.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,259.85 : 183,880.83 = 85,577.79 : x
  2. Step 2: Convert to fraction form
    133,259.85/183,880.83 = 85,577.79/x
  3. Step 3: Cross multiply
    133,259.85x = 183,880.83 × 85,577.79
  4. Step 4: Simplify right side
    133,259.85x = 15,736,115,054.77
  5. Step 5: Solve for x
    x = 15,736,115,054.77/133,259.85
  6. Step 6: Final answer
    x = 118,085.94

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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.