Home / 207,906.08-311,878.88-58,146.40

Finding the Fourth Proportional to 207,906.08, 311,878.88 and 58,146.40

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Solution

The fourth proportional to 207,906.08, 311,878.88 and 58,146.40 is: 87,225.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,906.08 : 311,878.88 = 58,146.40 : x
  2. Step 2: Convert to fraction form
    207,906.08/311,878.88 = 58,146.40/x
  3. Step 3: Cross multiply
    207,906.08x = 311,878.88 × 58,146.40
  4. Step 4: Simplify right side
    207,906.08x = 18,134,634,108.03
  5. Step 5: Solve for x
    x = 18,134,634,108.03/207,906.08
  6. Step 6: Final answer
    x = 87,225.13

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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.