Home / 102,704.10-154,056.15-47,408.10

Finding the Fourth Proportional to 102,704.10, 154,056.15 and 47,408.10

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Solution

The fourth proportional to 102,704.10, 154,056.15 and 47,408.10 is: 71,112.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,704.10 : 154,056.15 = 47,408.10 : x
  2. Step 2: Convert to fraction form
    102,704.10/154,056.15 = 47,408.10/x
  3. Step 3: Cross multiply
    102,704.10x = 154,056.15 × 47,408.10
  4. Step 4: Simplify right side
    102,704.10x = 7,303,509,364.82
  5. Step 5: Solve for x
    x = 7,303,509,364.82/102,704.10
  6. Step 6: Final answer
    x = 71,112.15

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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.