Home / 111,701.28-167,564.13-48,477.94

Finding the Fourth Proportional to 111,701.28, 167,564.13 and 48,477.94

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Solution

The fourth proportional to 111,701.28, 167,564.13 and 48,477.94 is: 72,722.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,701.28 : 167,564.13 = 48,477.94 : x
  2. Step 2: Convert to fraction form
    111,701.28/167,564.13 = 48,477.94/x
  3. Step 3: Cross multiply
    111,701.28x = 167,564.13 × 48,477.94
  4. Step 4: Simplify right side
    111,701.28x = 8,123,163,840.29
  5. Step 5: Solve for x
    x = 8,123,163,840.29/111,701.28
  6. Step 6: Final answer
    x = 72,722.21

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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.