Home / 103,702.29-155,576.12-33,588.69

Finding the Fourth Proportional to 103,702.29, 155,576.12 and 33,588.69

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Solution

The fourth proportional to 103,702.29, 155,576.12 and 33,588.69 is: 50,390.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,702.29 : 155,576.12 = 33,588.69 : x
  2. Step 2: Convert to fraction form
    103,702.29/155,576.12 = 33,588.69/x
  3. Step 3: Cross multiply
    103,702.29x = 155,576.12 × 33,588.69
  4. Step 4: Simplify right side
    103,702.29x = 5,225,597,898.14
  5. Step 5: Solve for x
    x = 5,225,597,898.14/103,702.29
  6. Step 6: Final answer
    x = 50,390.38

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1.5x scale

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.