Home / 210,329.37-315,494.06-111,810.33

Finding the Fourth Proportional to 210,329.37, 315,494.06 and 111,810.33

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Solution

The fourth proportional to 210,329.37, 315,494.06 and 111,810.33 is: 167,715.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,329.37 : 315,494.06 = 111,810.33 : x
  2. Step 2: Convert to fraction form
    210,329.37/315,494.06 = 111,810.33/x
  3. Step 3: Cross multiply
    210,329.37x = 315,494.06 × 111,810.33
  4. Step 4: Simplify right side
    210,329.37x = 35,275,494,402.59
  5. Step 5: Solve for x
    x = 35,275,494,402.59/210,329.37
  6. Step 6: Final answer
    x = 167,715.50

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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.