Home / 165,386.88-228,232.32-89,936

Finding the Fourth Proportional to 165,386.88, 228,232.32 and 89,936

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Solution

The fourth proportional to 165,386.88, 228,232.32 and 89,936 is: 124,110.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,386.88 : 228,232.32 = 89,936 : x
  2. Step 2: Convert to fraction form
    165,386.88/228,232.32 = 89,936/x
  3. Step 3: Cross multiply
    165,386.88x = 228,232.32 × 89,936
  4. Step 4: Simplify right side
    165,386.88x = 20,526,301,931.52
  5. Step 5: Solve for x
    x = 20,526,301,931.52/165,386.88
  6. Step 6: Final answer
    x = 124,110.82

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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.