Home / 89,114.36-133,880.56-84,070.50

Finding the Fourth Proportional to 89,114.36, 133,880.56 and 84,070.50

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Solution

The fourth proportional to 89,114.36, 133,880.56 and 84,070.50 is: 126,302.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,114.36 : 133,880.56 = 84,070.50 : x
  2. Step 2: Convert to fraction form
    89,114.36/133,880.56 = 84,070.50/x
  3. Step 3: Cross multiply
    89,114.36x = 133,880.56 × 84,070.50
  4. Step 4: Simplify right side
    89,114.36x = 11,255,405,619.48
  5. Step 5: Solve for x
    x = 11,255,405,619.48/89,114.36
  6. Step 6: Final answer
    x = 126,302.94

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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.