Home / 165,920.40-248,880.60-98,560.80

Finding the Fourth Proportional to 165,920.40, 248,880.60 and 98,560.80

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Solution

The fourth proportional to 165,920.40, 248,880.60 and 98,560.80 is: 147,841.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,920.40 : 248,880.60 = 98,560.80 : x
  2. Step 2: Convert to fraction form
    165,920.40/248,880.60 = 98,560.80/x
  3. Step 3: Cross multiply
    165,920.40x = 248,880.60 × 98,560.80
  4. Step 4: Simplify right side
    165,920.40x = 24,529,871,040.48
  5. Step 5: Solve for x
    x = 24,529,871,040.48/165,920.40
  6. Step 6: Final answer
    x = 147,841.20

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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.