Home / 165,488.80-248,233.20-99,133.60

Finding the Fourth Proportional to 165,488.80, 248,233.20 and 99,133.60

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Solution

The fourth proportional to 165,488.80, 248,233.20 and 99,133.60 is: 148,700.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,488.80 : 248,233.20 = 99,133.60 : x
  2. Step 2: Convert to fraction form
    165,488.80/248,233.20 = 99,133.60/x
  3. Step 3: Cross multiply
    165,488.80x = 248,233.20 × 99,133.60
  4. Step 4: Simplify right side
    165,488.80x = 24,608,250,755.52
  5. Step 5: Solve for x
    x = 24,608,250,755.52/165,488.80
  6. Step 6: Final answer
    x = 148,700.40

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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.