Home / 140,316.91-210,476.07-40,477.66

Finding the Fourth Proportional to 140,316.91, 210,476.07 and 40,477.66

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Solution

The fourth proportional to 140,316.91, 210,476.07 and 40,477.66 is: 60,716.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,316.91 : 210,476.07 = 40,477.66 : x
  2. Step 2: Convert to fraction form
    140,316.91/210,476.07 = 40,477.66/x
  3. Step 3: Cross multiply
    140,316.91x = 210,476.07 × 40,477.66
  4. Step 4: Simplify right side
    140,316.91x = 8,519,578,273.41
  5. Step 5: Solve for x
    x = 8,519,578,273.41/140,316.91
  6. Step 6: Final answer
    x = 60,716.69

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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.