Home / 165,250.41-228,045-93,644.07

Finding the Fourth Proportional to 165,250.41, 228,045 and 93,644.07

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Solution

The fourth proportional to 165,250.41, 228,045 and 93,644.07 is: 129,228.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,250.41 : 228,045 = 93,644.07 : x
  2. Step 2: Convert to fraction form
    165,250.41/228,045 = 93,644.07/x
  3. Step 3: Cross multiply
    165,250.41x = 228,045 × 93,644.07
  4. Step 4: Simplify right side
    165,250.41x = 21,355,061,943.15
  5. Step 5: Solve for x
    x = 21,355,061,943.15/165,250.41
  6. Step 6: Final answer
    x = 129,228.50

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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.