Home / 165,808.69-228,852.91-105,367.53

Finding the Fourth Proportional to 165,808.69, 228,852.91 and 105,367.53

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Solution

The fourth proportional to 165,808.69, 228,852.91 and 105,367.53 is: 145,430.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,808.69 : 228,852.91 = 105,367.53 : x
  2. Step 2: Convert to fraction form
    165,808.69/228,852.91 = 105,367.53/x
  3. Step 3: Cross multiply
    165,808.69x = 228,852.91 × 105,367.53
  4. Step 4: Simplify right side
    165,808.69x = 24,113,666,849.92
  5. Step 5: Solve for x
    x = 24,113,666,849.92/165,808.69
  6. Step 6: Final answer
    x = 145,430.66

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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.