Home / 102,939.49-154,421.70-36,366.00

Finding the Fourth Proportional to 102,939.49, 154,421.70 and 36,366.00

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Solution

The fourth proportional to 102,939.49, 154,421.70 and 36,366.00 is: 54,553.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,939.49 : 154,421.70 = 36,366.00 : x
  2. Step 2: Convert to fraction form
    102,939.49/154,421.70 = 36,366.00/x
  3. Step 3: Cross multiply
    102,939.49x = 154,421.70 × 36,366.00
  4. Step 4: Simplify right side
    102,939.49x = 5,615,698,826.75
  5. Step 5: Solve for x
    x = 5,615,698,826.75/102,939.49
  6. Step 6: Final answer
    x = 54,553.40

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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.