Home / 165,455.04-228,329.28-90,003.36

Finding the Fourth Proportional to 165,455.04, 228,329.28 and 90,003.36

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Solution

The fourth proportional to 165,455.04, 228,329.28 and 90,003.36 is: 124,205.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,455.04 : 228,329.28 = 90,003.36 : x
  2. Step 2: Convert to fraction form
    165,455.04/228,329.28 = 90,003.36/x
  3. Step 3: Cross multiply
    165,455.04x = 228,329.28 × 90,003.36
  4. Step 4: Simplify right side
    165,455.04x = 20,550,402,386.38
  5. Step 5: Solve for x
    x = 20,550,402,386.38/165,455.04
  6. Step 6: Final answer
    x = 124,205.36

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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.