Home / 126,873.56-175,077.96-69,501.40

Finding the Fourth Proportional to 126,873.56, 175,077.96 and 69,501.40

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Solution

The fourth proportional to 126,873.56, 175,077.96 and 69,501.40 is: 95,907.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,873.56 : 175,077.96 = 69,501.40 : x
  2. Step 2: Convert to fraction form
    126,873.56/175,077.96 = 69,501.40/x
  3. Step 3: Cross multiply
    126,873.56x = 175,077.96 × 69,501.40
  4. Step 4: Simplify right side
    126,873.56x = 12,168,163,329.14
  5. Step 5: Solve for x
    x = 12,168,163,329.14/126,873.56
  6. Step 6: Final answer
    x = 95,907.79

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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.