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Finding the Fourth Proportional to 160,015.36, 220,834.40 and 92,054.40

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Solution

The fourth proportional to 160,015.36, 220,834.40 and 92,054.40 is: 127,042.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,015.36 : 220,834.40 = 92,054.40 : x
  2. Step 2: Convert to fraction form
    160,015.36/220,834.40 = 92,054.40/x
  3. Step 3: Cross multiply
    160,015.36x = 220,834.40 × 92,054.40
  4. Step 4: Simplify right side
    160,015.36x = 20,328,778,191.36
  5. Step 5: Solve for x
    x = 20,328,778,191.36/160,015.36
  6. Step 6: Final answer
    x = 127,042.67

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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.