Home / 165,402.84-228,320.78-117,256.40

Finding the Fourth Proportional to 165,402.84, 228,320.78 and 117,256.40

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Solution

The fourth proportional to 165,402.84, 228,320.78 and 117,256.40 is: 161,859.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,402.84 : 228,320.78 = 117,256.40 : x
  2. Step 2: Convert to fraction form
    165,402.84/228,320.78 = 117,256.40/x
  3. Step 3: Cross multiply
    165,402.84x = 228,320.78 × 117,256.40
  4. Step 4: Simplify right side
    165,402.84x = 26,772,072,707.99
  5. Step 5: Solve for x
    x = 26,772,072,707.99/165,402.84
  6. Step 6: Final answer
    x = 161,859.81

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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.