Home / 103,946-143,445.88-58,007.60

Finding the Fourth Proportional to 103,946, 143,445.88 and 58,007.60

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Solution

The fourth proportional to 103,946, 143,445.88 and 58,007.60 is: 80,050.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,946 : 143,445.88 = 58,007.60 : x
  2. Step 2: Convert to fraction form
    103,946/143,445.88 = 58,007.60/x
  3. Step 3: Cross multiply
    103,946x = 143,445.88 × 58,007.60
  4. Step 4: Simplify right side
    103,946x = 8,320,951,228.69
  5. Step 5: Solve for x
    x = 8,320,951,228.69/103,946
  6. Step 6: Final answer
    x = 80,050.71

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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.