Home / 112,263-168,466.20-53,102.16

Finding the Fourth Proportional to 112,263, 168,466.20 and 53,102.16

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Solution

The fourth proportional to 112,263, 168,466.20 and 53,102.16 is: 79,687.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,263 : 168,466.20 = 53,102.16 : x
  2. Step 2: Convert to fraction form
    112,263/168,466.20 = 53,102.16/x
  3. Step 3: Cross multiply
    112,263x = 168,466.20 × 53,102.16
  4. Step 4: Simplify right side
    112,263x = 8,945,919,106.99
  5. Step 5: Solve for x
    x = 8,945,919,106.99/112,263
  6. Step 6: Final answer
    x = 79,687.16

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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.