Home / 111,922.40-167,913.30-48,715.40

Finding the Fourth Proportional to 111,922.40, 167,913.30 and 48,715.40

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Solution

The fourth proportional to 111,922.40, 167,913.30 and 48,715.40 is: 73,086.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,922.40 : 167,913.30 = 48,715.40 : x
  2. Step 2: Convert to fraction form
    111,922.40/167,913.30 = 48,715.40/x
  3. Step 3: Cross multiply
    111,922.40x = 167,913.30 × 48,715.40
  4. Step 4: Simplify right side
    111,922.40x = 8,179,963,574.82
  5. Step 5: Solve for x
    x = 8,179,963,574.82/111,922.40
  6. Step 6: Final answer
    x = 73,086.03

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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.