Home / 162,122.68-223,620.06-140,865.40

Finding the Fourth Proportional to 162,122.68, 223,620.06 and 140,865.40

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Solution

The fourth proportional to 162,122.68, 223,620.06 and 140,865.40 is: 194,299.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,122.68 : 223,620.06 = 140,865.40 : x
  2. Step 2: Convert to fraction form
    162,122.68/223,620.06 = 140,865.40/x
  3. Step 3: Cross multiply
    162,122.68x = 223,620.06 × 140,865.40
  4. Step 4: Simplify right side
    162,122.68x = 31,500,329,199.92
  5. Step 5: Solve for x
    x = 31,500,329,199.92/162,122.68
  6. Step 6: Final answer
    x = 194,299.34

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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.