Home / 103,027.32-142,168.14-58,315.32

Finding the Fourth Proportional to 103,027.32, 142,168.14 and 58,315.32

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Solution

The fourth proportional to 103,027.32, 142,168.14 and 58,315.32 is: 80,469.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,027.32 : 142,168.14 = 58,315.32 : x
  2. Step 2: Convert to fraction form
    103,027.32/142,168.14 = 58,315.32/x
  3. Step 3: Cross multiply
    103,027.32x = 142,168.14 × 58,315.32
  4. Step 4: Simplify right side
    103,027.32x = 8,290,580,577.90
  5. Step 5: Solve for x
    x = 8,290,580,577.90/103,027.32
  6. Step 6: Final answer
    x = 80,469.73

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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.