Home / 104,035.37-143,567.79-56,287.67

Finding the Fourth Proportional to 104,035.37, 143,567.79 and 56,287.67

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Solution

The fourth proportional to 104,035.37, 143,567.79 and 56,287.67 is: 77,676.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,035.37 : 143,567.79 = 56,287.67 : x
  2. Step 2: Convert to fraction form
    104,035.37/143,567.79 = 56,287.67/x
  3. Step 3: Cross multiply
    104,035.37x = 143,567.79 × 56,287.67
  4. Step 4: Simplify right side
    104,035.37x = 8,081,096,386.15
  5. Step 5: Solve for x
    x = 8,081,096,386.15/104,035.37
  6. Step 6: Final answer
    x = 77,676.43

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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.