Home / 126,210.33-174,114.99-80,245.35

Finding the Fourth Proportional to 126,210.33, 174,114.99 and 80,245.35

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Solution

The fourth proportional to 126,210.33, 174,114.99 and 80,245.35 is: 110,703.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,210.33 : 174,114.99 = 80,245.35 : x
  2. Step 2: Convert to fraction form
    126,210.33/174,114.99 = 80,245.35/x
  3. Step 3: Cross multiply
    126,210.33x = 174,114.99 × 80,245.35
  4. Step 4: Simplify right side
    126,210.33x = 13,971,918,312.80
  5. Step 5: Solve for x
    x = 13,971,918,312.80/126,210.33
  6. Step 6: Final answer
    x = 110,703.44

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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.