Home / 126,653.58-174,783.78-72,948.24

Finding the Fourth Proportional to 126,653.58, 174,783.78 and 72,948.24

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Solution

The fourth proportional to 126,653.58, 174,783.78 and 72,948.24 is: 100,669.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,653.58 : 174,783.78 = 72,948.24 : x
  2. Step 2: Convert to fraction form
    126,653.58/174,783.78 = 72,948.24/x
  3. Step 3: Cross multiply
    126,653.58x = 174,783.78 × 72,948.24
  4. Step 4: Simplify right side
    126,653.58x = 12,750,169,131.55
  5. Step 5: Solve for x
    x = 12,750,169,131.55/126,653.58
  6. Step 6: Final answer
    x = 100,669.63

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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.