Home / 192,140.21-288,386.09-97,435.76

Finding the Fourth Proportional to 192,140.21, 288,386.09 and 97,435.76

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Solution

The fourth proportional to 192,140.21, 288,386.09 and 97,435.76 is: 146,242.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,140.21 : 288,386.09 = 97,435.76 : x
  2. Step 2: Convert to fraction form
    192,140.21/288,386.09 = 97,435.76/x
  3. Step 3: Cross multiply
    192,140.21x = 288,386.09 × 97,435.76
  4. Step 4: Simplify right side
    192,140.21x = 28,099,115,923.47
  5. Step 5: Solve for x
    x = 28,099,115,923.47/192,140.21
  6. Step 6: Final answer
    x = 146,242.77

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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.