Home / 103,358.88-142,633.44-58,037.22

Finding the Fourth Proportional to 103,358.88, 142,633.44 and 58,037.22

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Solution

The fourth proportional to 103,358.88, 142,633.44 and 58,037.22 is: 80,090.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,358.88 : 142,633.44 = 58,037.22 : x
  2. Step 2: Convert to fraction form
    103,358.88/142,633.44 = 58,037.22/x
  3. Step 3: Cross multiply
    103,358.88x = 142,633.44 × 58,037.22
  4. Step 4: Simplify right side
    103,358.88x = 8,278,048,336.64
  5. Step 5: Solve for x
    x = 8,278,048,336.64/103,358.88
  6. Step 6: Final answer
    x = 80,090.34

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1.5x scale

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.