Home / 126,809.10-174,994.38-70,219.26

Finding the Fourth Proportional to 126,809.10, 174,994.38 and 70,219.26

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Solution

The fourth proportional to 126,809.10, 174,994.38 and 70,219.26 is: 96,901.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,809.10 : 174,994.38 = 70,219.26 : x
  2. Step 2: Convert to fraction form
    126,809.10/174,994.38 = 70,219.26/x
  3. Step 3: Cross multiply
    126,809.10x = 174,994.38 × 70,219.26
  4. Step 4: Simplify right side
    126,809.10x = 12,287,975,867.76
  5. Step 5: Solve for x
    x = 12,287,975,867.76/126,809.10
  6. Step 6: Final answer
    x = 96,901.37

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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.