Home / 195,328.40-293,040.60-55,085.20

Finding the Fourth Proportional to 195,328.40, 293,040.60 and 55,085.20

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Solution

The fourth proportional to 195,328.40, 293,040.60 and 55,085.20 is: 82,641.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,328.40 : 293,040.60 = 55,085.20 : x
  2. Step 2: Convert to fraction form
    195,328.40/293,040.60 = 55,085.20/x
  3. Step 3: Cross multiply
    195,328.40x = 293,040.60 × 55,085.20
  4. Step 4: Simplify right side
    195,328.40x = 16,142,200,059.12
  5. Step 5: Solve for x
    x = 16,142,200,059.12/195,328.40
  6. Step 6: Final answer
    x = 82,641.34

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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.