Home / 190,851.20-286,046.40-97,308.80

Finding the Fourth Proportional to 190,851.20, 286,046.40 and 97,308.80

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Solution

The fourth proportional to 190,851.20, 286,046.40 and 97,308.80 is: 145,845.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,851.20 : 286,046.40 = 97,308.80 : x
  2. Step 2: Convert to fraction form
    190,851.20/286,046.40 = 97,308.80/x
  3. Step 3: Cross multiply
    190,851.20x = 286,046.40 × 97,308.80
  4. Step 4: Simplify right side
    190,851.20x = 27,834,831,928.32
  5. Step 5: Solve for x
    x = 27,834,831,928.32/190,851.20
  6. Step 6: Final answer
    x = 145,845.73

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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.