Home / 102,939.04-154,406.88-40,610.08

Finding the Fourth Proportional to 102,939.04, 154,406.88 and 40,610.08

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Solution

The fourth proportional to 102,939.04, 154,406.88 and 40,610.08 is: 60,914.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,939.04 : 154,406.88 = 40,610.08 : x
  2. Step 2: Convert to fraction form
    102,939.04/154,406.88 = 40,610.08/x
  3. Step 3: Cross multiply
    102,939.04x = 154,406.88 × 40,610.08
  4. Step 4: Simplify right side
    102,939.04x = 6,270,475,749.35
  5. Step 5: Solve for x
    x = 6,270,475,749.35/102,939.04
  6. Step 6: Final answer
    x = 60,914.46

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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.