Home / 195,712.40-293,539.80-55,485.20

Finding the Fourth Proportional to 195,712.40, 293,539.80 and 55,485.20

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Solution

The fourth proportional to 195,712.40, 293,539.80 and 55,485.20 is: 83,219.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,712.40 : 293,539.80 = 55,485.20 : x
  2. Step 2: Convert to fraction form
    195,712.40/293,539.80 = 55,485.20/x
  3. Step 3: Cross multiply
    195,712.40x = 293,539.80 × 55,485.20
  4. Step 4: Simplify right side
    195,712.40x = 16,287,114,510.96
  5. Step 5: Solve for x
    x = 16,287,114,510.96/195,712.40
  6. Step 6: Final answer
    x = 83,219.64

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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.