Home / 113,704.36-170,521.91-47,128.84

Finding the Fourth Proportional to 113,704.36, 170,521.91 and 47,128.84

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Solution

The fourth proportional to 113,704.36, 170,521.91 and 47,128.84 is: 70,678.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,704.36 : 170,521.91 = 47,128.84 : x
  2. Step 2: Convert to fraction form
    113,704.36/170,521.91 = 47,128.84/x
  3. Step 3: Cross multiply
    113,704.36x = 170,521.91 × 47,128.84
  4. Step 4: Simplify right side
    113,704.36x = 8,036,499,327.67
  5. Step 5: Solve for x
    x = 8,036,499,327.67/113,704.36
  6. Step 6: Final answer
    x = 70,678.90

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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.