Home / 105,248.54-145,245.08-57,504.85

Finding the Fourth Proportional to 105,248.54, 145,245.08 and 57,504.85

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Solution

The fourth proportional to 105,248.54, 145,245.08 and 57,504.85 is: 79,357.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,248.54 : 145,245.08 = 57,504.85 : x
  2. Step 2: Convert to fraction form
    105,248.54/145,245.08 = 57,504.85/x
  3. Step 3: Cross multiply
    105,248.54x = 145,245.08 × 57,504.85
  4. Step 4: Simplify right side
    105,248.54x = 8,352,296,538.64
  5. Step 5: Solve for x
    x = 8,352,296,538.64/105,248.54
  6. Step 6: Final answer
    x = 79,357.84

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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.