Home / 165,362.40-228,202.32-93,740.64

Finding the Fourth Proportional to 165,362.40, 228,202.32 and 93,740.64

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Solution

The fourth proportional to 165,362.40, 228,202.32 and 93,740.64 is: 129,363.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,362.40 : 228,202.32 = 93,740.64 : x
  2. Step 2: Convert to fraction form
    165,362.40/228,202.32 = 93,740.64/x
  3. Step 3: Cross multiply
    165,362.40x = 228,202.32 × 93,740.64
  4. Step 4: Simplify right side
    165,362.40x = 21,391,831,526.28
  5. Step 5: Solve for x
    x = 21,391,831,526.28/165,362.40
  6. Step 6: Final answer
    x = 129,363.33

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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.