Home / 113,704.07-170,613.61-75,779.21

Finding the Fourth Proportional to 113,704.07, 170,613.61 and 75,779.21

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Solution

The fourth proportional to 113,704.07, 170,613.61 and 75,779.21 is: 113,707.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,704.07 : 170,613.61 = 75,779.21 : x
  2. Step 2: Convert to fraction form
    113,704.07/170,613.61 = 75,779.21/x
  3. Step 3: Cross multiply
    113,704.07x = 170,613.61 × 75,779.21
  4. Step 4: Simplify right side
    113,704.07x = 12,928,964,818.13
  5. Step 5: Solve for x
    x = 12,928,964,818.13/113,704.07
  6. Step 6: Final answer
    x = 113,707.15

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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.