Home / 210,468.11-315,704.89-70,226.73

Finding the Fourth Proportional to 210,468.11, 315,704.89 and 70,226.73

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Solution

The fourth proportional to 210,468.11, 315,704.89 and 70,226.73 is: 105,341.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,468.11 : 315,704.89 = 70,226.73 : x
  2. Step 2: Convert to fraction form
    210,468.11/315,704.89 = 70,226.73/x
  3. Step 3: Cross multiply
    210,468.11x = 315,704.89 × 70,226.73
  4. Step 4: Simplify right side
    210,468.11x = 22,170,922,502.99
  5. Step 5: Solve for x
    x = 22,170,922,502.99/210,468.11
  6. Step 6: Final answer
    x = 105,341.01

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1.5x scale

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.