Home / 207,923.10-311,106.15-148,089.90

Finding the Fourth Proportional to 207,923.10, 311,106.15 and 148,089.90

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Solution

The fourth proportional to 207,923.10, 311,106.15 and 148,089.90 is: 221,580.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,923.10 : 311,106.15 = 148,089.90 : x
  2. Step 2: Convert to fraction form
    207,923.10/311,106.15 = 148,089.90/x
  3. Step 3: Cross multiply
    207,923.10x = 311,106.15 × 148,089.90
  4. Step 4: Simplify right side
    207,923.10x = 46,071,678,642.89
  5. Step 5: Solve for x
    x = 46,071,678,642.89/207,923.10
  6. Step 6: Final answer
    x = 221,580.38

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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.