Home / 103,438.26-142,744.92-58,116.24

Finding the Fourth Proportional to 103,438.26, 142,744.92 and 58,116.24

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Solution

The fourth proportional to 103,438.26, 142,744.92 and 58,116.24 is: 80,200.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,438.26 : 142,744.92 = 58,116.24 : x
  2. Step 2: Convert to fraction form
    103,438.26/142,744.92 = 58,116.24/x
  3. Step 3: Cross multiply
    103,438.26x = 142,744.92 × 58,116.24
  4. Step 4: Simplify right side
    103,438.26x = 8,295,798,029.50
  5. Step 5: Solve for x
    x = 8,295,798,029.50/103,438.26
  6. Step 6: Final answer
    x = 80,200.48

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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.