Home / 165,777.12-228,802.32-97,790.04

Finding the Fourth Proportional to 165,777.12, 228,802.32 and 97,790.04

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Solution

The fourth proportional to 165,777.12, 228,802.32 and 97,790.04 is: 134,967.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,777.12 : 228,802.32 = 97,790.04 : x
  2. Step 2: Convert to fraction form
    165,777.12/228,802.32 = 97,790.04/x
  3. Step 3: Cross multiply
    165,777.12x = 228,802.32 × 97,790.04
  4. Step 4: Simplify right side
    165,777.12x = 22,374,588,024.89
  5. Step 5: Solve for x
    x = 22,374,588,024.89/165,777.12
  6. Step 6: Final answer
    x = 134,967.89

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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.