Home / 105,344.54-145,375.47-57,597.92

Finding the Fourth Proportional to 105,344.54, 145,375.47 and 57,597.92

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Solution

The fourth proportional to 105,344.54, 145,375.47 and 57,597.92 is: 79,485.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,344.54 : 145,375.47 = 57,597.92 : x
  2. Step 2: Convert to fraction form
    105,344.54/145,375.47 = 57,597.92/x
  3. Step 3: Cross multiply
    105,344.54x = 145,375.47 × 57,597.92
  4. Step 4: Simplify right side
    105,344.54x = 8,373,323,964.15
  5. Step 5: Solve for x
    x = 8,373,323,964.15/105,344.54
  6. Step 6: Final answer
    x = 79,485.13

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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.