Home / 150,386.78-207,533.67-82,406.32

Finding the Fourth Proportional to 150,386.78, 207,533.67 and 82,406.32

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Solution

The fourth proportional to 150,386.78, 207,533.67 and 82,406.32 is: 113,720.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,386.78 : 207,533.67 = 82,406.32 : x
  2. Step 2: Convert to fraction form
    150,386.78/207,533.67 = 82,406.32/x
  3. Step 3: Cross multiply
    150,386.78x = 207,533.67 × 82,406.32
  4. Step 4: Simplify right side
    150,386.78x = 17,102,084,983.13
  5. Step 5: Solve for x
    x = 17,102,084,983.13/150,386.78
  6. Step 6: Final answer
    x = 113,720.67

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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.