Home / 104,189.49-155,369.14-103,242.20

Finding the Fourth Proportional to 104,189.49, 155,369.14 and 103,242.20

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Solution

The fourth proportional to 104,189.49, 155,369.14 and 103,242.20 is: 153,956.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,189.49 : 155,369.14 = 103,242.20 : x
  2. Step 2: Convert to fraction form
    104,189.49/155,369.14 = 103,242.20/x
  3. Step 3: Cross multiply
    104,189.49x = 155,369.14 × 103,242.20
  4. Step 4: Simplify right side
    104,189.49x = 16,040,650,790.76
  5. Step 5: Solve for x
    x = 16,040,650,790.76/104,189.49
  6. Step 6: Final answer
    x = 153,956.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.