Home / 202,337.21-279,240.81-111,710.63

Finding the Fourth Proportional to 202,337.21, 279,240.81 and 111,710.63

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Solution

The fourth proportional to 202,337.21, 279,240.81 and 111,710.63 is: 154,169.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,337.21 : 279,240.81 = 111,710.63 : x
  2. Step 2: Convert to fraction form
    202,337.21/279,240.81 = 111,710.63/x
  3. Step 3: Cross multiply
    202,337.21x = 279,240.81 × 111,710.63
  4. Step 4: Simplify right side
    202,337.21x = 31,194,166,806.81
  5. Step 5: Solve for x
    x = 31,194,166,806.81/202,337.21
  6. Step 6: Final answer
    x = 154,169.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.