Home / 126,988.16-190,348.32-52,075.04

Finding the Fourth Proportional to 126,988.16, 190,348.32 and 52,075.04

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Solution

The fourth proportional to 126,988.16, 190,348.32 and 52,075.04 is: 78,057.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,988.16 : 190,348.32 = 52,075.04 : x
  2. Step 2: Convert to fraction form
    126,988.16/190,348.32 = 52,075.04/x
  3. Step 3: Cross multiply
    126,988.16x = 190,348.32 × 52,075.04
  4. Step 4: Simplify right side
    126,988.16x = 9,912,396,377.93
  5. Step 5: Solve for x
    x = 9,912,396,377.93/126,988.16
  6. Step 6: Final answer
    x = 78,057.64

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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.