Home / 190,848.80-285,884.40-97,407.20

Finding the Fourth Proportional to 190,848.80, 285,884.40 and 97,407.20

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Solution

The fourth proportional to 190,848.80, 285,884.40 and 97,407.20 is: 145,912.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,848.80 : 285,884.40 = 97,407.20 : x
  2. Step 2: Convert to fraction form
    190,848.80/285,884.40 = 97,407.20/x
  3. Step 3: Cross multiply
    190,848.80x = 285,884.40 × 97,407.20
  4. Step 4: Simplify right side
    190,848.80x = 27,847,198,927.68
  5. Step 5: Solve for x
    x = 27,847,198,927.68/190,848.80
  6. Step 6: Final answer
    x = 145,912.36

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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.