Home / 165,698.64-228,666.60-90,248.40

Finding the Fourth Proportional to 165,698.64, 228,666.60 and 90,248.40

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Solution

The fourth proportional to 165,698.64, 228,666.60 and 90,248.40 is: 124,544.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,698.64 : 228,666.60 = 90,248.40 : x
  2. Step 2: Convert to fraction form
    165,698.64/228,666.60 = 90,248.40/x
  3. Step 3: Cross multiply
    165,698.64x = 228,666.60 × 90,248.40
  4. Step 4: Simplify right side
    165,698.64x = 20,636,794,783.44
  5. Step 5: Solve for x
    x = 20,636,794,783.44/165,698.64
  6. Step 6: Final answer
    x = 124,544.14

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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.