Home / 103,847.34-143,213.64-69,331.32

Finding the Fourth Proportional to 103,847.34, 143,213.64 and 69,331.32

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Solution

The fourth proportional to 103,847.34, 143,213.64 and 69,331.32 is: 95,613.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,847.34 : 143,213.64 = 69,331.32 : x
  2. Step 2: Convert to fraction form
    103,847.34/143,213.64 = 69,331.32/x
  3. Step 3: Cross multiply
    103,847.34x = 143,213.64 × 69,331.32
  4. Step 4: Simplify right side
    103,847.34x = 9,929,190,703.20
  5. Step 5: Solve for x
    x = 9,929,190,703.20/103,847.34
  6. Step 6: Final answer
    x = 95,613.34

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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.