Home / 230,901.09-318,555.77-140,222.81

Finding the Fourth Proportional to 230,901.09, 318,555.77 and 140,222.81

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Solution

The fourth proportional to 230,901.09, 318,555.77 and 140,222.81 is: 193,454.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,901.09 : 318,555.77 = 140,222.81 : x
  2. Step 2: Convert to fraction form
    230,901.09/318,555.77 = 140,222.81/x
  3. Step 3: Cross multiply
    230,901.09x = 318,555.77 × 140,222.81
  4. Step 4: Simplify right side
    230,901.09x = 44,668,782,917.22
  5. Step 5: Solve for x
    x = 44,668,782,917.22/230,901.09
  6. Step 6: Final answer
    x = 193,454.19

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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.