Home / 103,664.99-143,055.90-58,342.91

Finding the Fourth Proportional to 103,664.99, 143,055.90 and 58,342.91

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Solution

The fourth proportional to 103,664.99, 143,055.90 and 58,342.91 is: 80,512.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,664.99 : 143,055.90 = 58,342.91 : x
  2. Step 2: Convert to fraction form
    103,664.99/143,055.90 = 58,342.91/x
  3. Step 3: Cross multiply
    103,664.99x = 143,055.90 × 58,342.91
  4. Step 4: Simplify right side
    103,664.99x = 8,346,297,498.67
  5. Step 5: Solve for x
    x = 8,346,297,498.67/103,664.99
  6. Step 6: Final answer
    x = 80,512.21

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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.