Home / 210,050.07-315,121.94-60,278.68

Finding the Fourth Proportional to 210,050.07, 315,121.94 and 60,278.68

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Solution

The fourth proportional to 210,050.07, 315,121.94 and 60,278.68 is: 90,431.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,050.07 : 315,121.94 = 60,278.68 : x
  2. Step 2: Convert to fraction form
    210,050.07/315,121.94 = 60,278.68/x
  3. Step 3: Cross multiply
    210,050.07x = 315,121.94 × 60,278.68
  4. Step 4: Simplify right side
    210,050.07x = 18,995,134,900.79
  5. Step 5: Solve for x
    x = 18,995,134,900.79/210,050.07
  6. Step 6: Final answer
    x = 90,431.46

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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.