Home / 126,145.26-174,071.57-69,555.42

Finding the Fourth Proportional to 126,145.26, 174,071.57 and 69,555.42

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Solution

The fourth proportional to 126,145.26, 174,071.57 and 69,555.42 is: 95,981.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,145.26 : 174,071.57 = 69,555.42 : x
  2. Step 2: Convert to fraction form
    126,145.26/174,071.57 = 69,555.42/x
  3. Step 3: Cross multiply
    126,145.26x = 174,071.57 × 69,555.42
  4. Step 4: Simplify right side
    126,145.26x = 12,107,620,813.63
  5. Step 5: Solve for x
    x = 12,107,620,813.63/126,145.26
  6. Step 6: Final answer
    x = 95,981.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.