Home / 103,558.73-142,900.67-58,229.51

Finding the Fourth Proportional to 103,558.73, 142,900.67 and 58,229.51

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Solution

The fourth proportional to 103,558.73, 142,900.67 and 58,229.51 is: 80,350.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,558.73 : 142,900.67 = 58,229.51 : x
  2. Step 2: Convert to fraction form
    103,558.73/142,900.67 = 58,229.51/x
  3. Step 3: Cross multiply
    103,558.73x = 142,900.67 × 58,229.51
  4. Step 4: Simplify right side
    103,558.73x = 8,321,035,423.84
  5. Step 5: Solve for x
    x = 8,321,035,423.84/103,558.73
  6. Step 6: Final answer
    x = 80,350.89

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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.