Home / 102,783.56-154,225.58-46,660.28

Finding the Fourth Proportional to 102,783.56, 154,225.58 and 46,660.28

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Solution

The fourth proportional to 102,783.56, 154,225.58 and 46,660.28 is: 70,013.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,783.56 : 154,225.58 = 46,660.28 : x
  2. Step 2: Convert to fraction form
    102,783.56/154,225.58 = 46,660.28/x
  3. Step 3: Cross multiply
    102,783.56x = 154,225.58 × 46,660.28
  4. Step 4: Simplify right side
    102,783.56x = 7,196,208,745.96
  5. Step 5: Solve for x
    x = 7,196,208,745.96/102,783.56
  6. Step 6: Final answer
    x = 70,013.23

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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.