Home / 152,821.90-228,934.64-100,071.46

Finding the Fourth Proportional to 152,821.90, 228,934.64 and 100,071.46

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Solution

The fourth proportional to 152,821.90, 228,934.64 and 100,071.46 is: 149,911.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,821.90 : 228,934.64 = 100,071.46 : x
  2. Step 2: Convert to fraction form
    152,821.90/228,934.64 = 100,071.46/x
  3. Step 3: Cross multiply
    152,821.90x = 228,934.64 × 100,071.46
  4. Step 4: Simplify right side
    152,821.90x = 22,909,823,383.21
  5. Step 5: Solve for x
    x = 22,909,823,383.21/152,821.90
  6. Step 6: Final answer
    x = 149,911.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.