Home / 102,604.32-154,153.08-96,939.72

Finding the Fourth Proportional to 102,604.32, 154,153.08 and 96,939.72

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Solution

The fourth proportional to 102,604.32, 154,153.08 and 96,939.72 is: 145,642.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,604.32 : 154,153.08 = 96,939.72 : x
  2. Step 2: Convert to fraction form
    102,604.32/154,153.08 = 96,939.72/x
  3. Step 3: Cross multiply
    102,604.32x = 154,153.08 × 96,939.72
  4. Step 4: Simplify right side
    102,604.32x = 14,943,556,412.34
  5. Step 5: Solve for x
    x = 14,943,556,412.34/102,604.32
  6. Step 6: Final answer
    x = 145,642.57

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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.