Home / 180,421.38-270,841.53-105,595.23

Finding the Fourth Proportional to 180,421.38, 270,841.53 and 105,595.23

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Solution

The fourth proportional to 180,421.38, 270,841.53 and 105,595.23 is: 158,515.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,421.38 : 270,841.53 = 105,595.23 : x
  2. Step 2: Convert to fraction form
    180,421.38/270,841.53 = 105,595.23/x
  3. Step 3: Cross multiply
    180,421.38x = 270,841.53 × 105,595.23
  4. Step 4: Simplify right side
    180,421.38x = 28,599,573,653.90
  5. Step 5: Solve for x
    x = 28,599,573,653.90/180,421.38
  6. Step 6: Final answer
    x = 158,515.44

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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.