Home / 126,828.12-175,024.64-73,112.16

Finding the Fourth Proportional to 126,828.12, 175,024.64 and 73,112.16

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Solution

The fourth proportional to 126,828.12, 175,024.64 and 73,112.16 is: 100,895.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,828.12 : 175,024.64 = 73,112.16 : x
  2. Step 2: Convert to fraction form
    126,828.12/175,024.64 = 73,112.16/x
  3. Step 3: Cross multiply
    126,828.12x = 175,024.64 × 73,112.16
  4. Step 4: Simplify right side
    126,828.12x = 12,796,429,483.62
  5. Step 5: Solve for x
    x = 12,796,429,483.62/126,828.12
  6. Step 6: Final answer
    x = 100,895.84

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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.