Home / 259,096.03-388,607.14-81,598.43

Finding the Fourth Proportional to 259,096.03, 388,607.14 and 81,598.43

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Solution

The fourth proportional to 259,096.03, 388,607.14 and 81,598.43 is: 122,386.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,096.03 : 388,607.14 = 81,598.43 : x
  2. Step 2: Convert to fraction form
    259,096.03/388,607.14 = 81,598.43/x
  3. Step 3: Cross multiply
    259,096.03x = 388,607.14 × 81,598.43
  4. Step 4: Simplify right side
    259,096.03x = 31,709,732,510.79
  5. Step 5: Solve for x
    x = 31,709,732,510.79/259,096.03
  6. Step 6: Final answer
    x = 122,386.02

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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.