Home / 162,690.28-223,834.98-143,486.44

Finding the Fourth Proportional to 162,690.28, 223,834.98 and 143,486.44

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Solution

The fourth proportional to 162,690.28, 223,834.98 and 143,486.44 is: 197,413.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,690.28 : 223,834.98 = 143,486.44 : x
  2. Step 2: Convert to fraction form
    162,690.28/223,834.98 = 143,486.44/x
  3. Step 3: Cross multiply
    162,690.28x = 223,834.98 × 143,486.44
  4. Step 4: Simplify right side
    162,690.28x = 32,117,284,427.67
  5. Step 5: Solve for x
    x = 32,117,284,427.67/162,690.28
  6. Step 6: Final answer
    x = 197,413.66

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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.