Home / 248,583.30-372,928.95-90,811.50

Finding the Fourth Proportional to 248,583.30, 372,928.95 and 90,811.50

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Solution

The fourth proportional to 248,583.30, 372,928.95 and 90,811.50 is: 136,236.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,583.30 : 372,928.95 = 90,811.50 : x
  2. Step 2: Convert to fraction form
    248,583.30/372,928.95 = 90,811.50/x
  3. Step 3: Cross multiply
    248,583.30x = 372,928.95 × 90,811.50
  4. Step 4: Simplify right side
    248,583.30x = 33,866,237,342.93
  5. Step 5: Solve for x
    x = 33,866,237,342.93/248,583.30
  6. Step 6: Final answer
    x = 136,236.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.