Home / 165,563.04-228,477.12-90,111.68

Finding the Fourth Proportional to 165,563.04, 228,477.12 and 90,111.68

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Solution

The fourth proportional to 165,563.04, 228,477.12 and 90,111.68 is: 124,354.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,563.04 : 228,477.12 = 90,111.68 : x
  2. Step 2: Convert to fraction form
    165,563.04/228,477.12 = 90,111.68/x
  3. Step 3: Cross multiply
    165,563.04x = 228,477.12 × 90,111.68
  4. Step 4: Simplify right side
    165,563.04x = 20,588,457,124.76
  5. Step 5: Solve for x
    x = 20,588,457,124.76/165,563.04
  6. Step 6: Final answer
    x = 124,354.19

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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.