Home / 134,782.85-202,174.28-103,678.85

Finding the Fourth Proportional to 134,782.85, 202,174.28 and 103,678.85

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Solution

The fourth proportional to 134,782.85, 202,174.28 and 103,678.85 is: 155,518.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,782.85 : 202,174.28 = 103,678.85 : x
  2. Step 2: Convert to fraction form
    134,782.85/202,174.28 = 103,678.85/x
  3. Step 3: Cross multiply
    134,782.85x = 202,174.28 × 103,678.85
  4. Step 4: Simplify right side
    134,782.85x = 20,961,196,849.98
  5. Step 5: Solve for x
    x = 20,961,196,849.98/134,782.85
  6. Step 6: Final answer
    x = 155,518.28

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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.