Home / 165,728.15-228,706.40-94,109.77

Finding the Fourth Proportional to 165,728.15, 228,706.40 and 94,109.77

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Solution

The fourth proportional to 165,728.15, 228,706.40 and 94,109.77 is: 129,872.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,728.15 : 228,706.40 = 94,109.77 : x
  2. Step 2: Convert to fraction form
    165,728.15/228,706.40 = 94,109.77/x
  3. Step 3: Cross multiply
    165,728.15x = 228,706.40 × 94,109.77
  4. Step 4: Simplify right side
    165,728.15x = 21,523,506,701.53
  5. Step 5: Solve for x
    x = 21,523,506,701.53/165,728.15
  6. Step 6: Final answer
    x = 129,872.36

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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.