Home / 90,155.45-124,372.63-58,334.60

Finding the Fourth Proportional to 90,155.45, 124,372.63 and 58,334.60

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Solution

The fourth proportional to 90,155.45, 124,372.63 and 58,334.60 is: 80,474.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,155.45 : 124,372.63 = 58,334.60 : x
  2. Step 2: Convert to fraction form
    90,155.45/124,372.63 = 58,334.60/x
  3. Step 3: Cross multiply
    90,155.45x = 124,372.63 × 58,334.60
  4. Step 4: Simplify right side
    90,155.45x = 7,255,228,005.85
  5. Step 5: Solve for x
    x = 7,255,228,005.85/90,155.45
  6. Step 6: Final answer
    x = 80,474.64

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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.