Home / 170,739.70-255,526.35-156,742.90

Finding the Fourth Proportional to 170,739.70, 255,526.35 and 156,742.90

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Solution

The fourth proportional to 170,739.70, 255,526.35 and 156,742.90 is: 234,578.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,739.70 : 255,526.35 = 156,742.90 : x
  2. Step 2: Convert to fraction form
    170,739.70/255,526.35 = 156,742.90/x
  3. Step 3: Cross multiply
    170,739.70x = 255,526.35 × 156,742.90
  4. Step 4: Simplify right side
    170,739.70x = 40,051,941,125.42
  5. Step 5: Solve for x
    x = 40,051,941,125.42/170,739.70
  6. Step 6: Final answer
    x = 234,578.96

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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.