Home / 180,197.40-270,430.74-67,988.28

Finding the Fourth Proportional to 180,197.40, 270,430.74 and 67,988.28

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Solution

The fourth proportional to 180,197.40, 270,430.74 and 67,988.28 is: 102,033.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,197.40 : 270,430.74 = 67,988.28 : x
  2. Step 2: Convert to fraction form
    180,197.40/270,430.74 = 67,988.28/x
  3. Step 3: Cross multiply
    180,197.40x = 270,430.74 × 67,988.28
  4. Step 4: Simplify right side
    180,197.40x = 18,386,120,871.73
  5. Step 5: Solve for x
    x = 18,386,120,871.73/180,197.40
  6. Step 6: Final answer
    x = 102,033.22

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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.