Home / 165,783.24-228,780.72-90,332.28

Finding the Fourth Proportional to 165,783.24, 228,780.72 and 90,332.28

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Solution

The fourth proportional to 165,783.24, 228,780.72 and 90,332.28 is: 124,658.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,783.24 : 228,780.72 = 90,332.28 : x
  2. Step 2: Convert to fraction form
    165,783.24/228,780.72 = 90,332.28/x
  3. Step 3: Cross multiply
    165,783.24x = 228,780.72 × 90,332.28
  4. Step 4: Simplify right side
    165,783.24x = 20,666,284,057.64
  5. Step 5: Solve for x
    x = 20,666,284,057.64/165,783.24
  6. Step 6: Final answer
    x = 124,658.46

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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.