Home / 213,616.86-294,785.43-118,120.29

Finding the Fourth Proportional to 213,616.86, 294,785.43 and 118,120.29

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Solution

The fourth proportional to 213,616.86, 294,785.43 and 118,120.29 is: 163,002.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,616.86 : 294,785.43 = 118,120.29 : x
  2. Step 2: Convert to fraction form
    213,616.86/294,785.43 = 118,120.29/x
  3. Step 3: Cross multiply
    213,616.86x = 294,785.43 × 118,120.29
  4. Step 4: Simplify right side
    213,616.86x = 34,820,140,479.37
  5. Step 5: Solve for x
    x = 34,820,140,479.37/213,616.86
  6. Step 6: Final answer
    x = 163,002.77

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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.