Home / 165,592.08-228,522.60-90,143.28

Finding the Fourth Proportional to 165,592.08, 228,522.60 and 90,143.28

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Solution

The fourth proportional to 165,592.08, 228,522.60 and 90,143.28 is: 124,400.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,592.08 : 228,522.60 = 90,143.28 : x
  2. Step 2: Convert to fraction form
    165,592.08/228,522.60 = 90,143.28/x
  3. Step 3: Cross multiply
    165,592.08x = 228,522.60 × 90,143.28
  4. Step 4: Simplify right side
    165,592.08x = 20,599,776,718.13
  5. Step 5: Solve for x
    x = 20,599,776,718.13/165,592.08
  6. Step 6: Final answer
    x = 124,400.74

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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.