Home / 165,451.94-228,322.65-90,000.74

Finding the Fourth Proportional to 165,451.94, 228,322.65 and 90,000.74

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Solution

The fourth proportional to 165,451.94, 228,322.65 and 90,000.74 is: 124,200.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,451.94 : 228,322.65 = 90,000.74 : x
  2. Step 2: Convert to fraction form
    165,451.94/228,322.65 = 90,000.74/x
  3. Step 3: Cross multiply
    165,451.94x = 228,322.65 × 90,000.74
  4. Step 4: Simplify right side
    165,451.94x = 20,549,207,458.76
  5. Step 5: Solve for x
    x = 20,549,207,458.76/165,451.94
  6. Step 6: Final answer
    x = 124,200.46

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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.