Home / 215,007.76-296,714.24-118,215.68

Finding the Fourth Proportional to 215,007.76, 296,714.24 and 118,215.68

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Solution

The fourth proportional to 215,007.76, 296,714.24 and 118,215.68 is: 163,139.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,007.76 : 296,714.24 = 118,215.68 : x
  2. Step 2: Convert to fraction form
    215,007.76/296,714.24 = 118,215.68/x
  3. Step 3: Cross multiply
    215,007.76x = 296,714.24 × 118,215.68
  4. Step 4: Simplify right side
    215,007.76x = 35,076,275,647.28
  5. Step 5: Solve for x
    x = 35,076,275,647.28/215,007.76
  6. Step 6: Final answer
    x = 163,139.58

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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.