Home / 126,317.58-189,420.93-47,376.45

Finding the Fourth Proportional to 126,317.58, 189,420.93 and 47,376.45

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Solution

The fourth proportional to 126,317.58, 189,420.93 and 47,376.45 is: 71,043.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,317.58 : 189,420.93 = 47,376.45 : x
  2. Step 2: Convert to fraction form
    126,317.58/189,420.93 = 47,376.45/x
  3. Step 3: Cross multiply
    126,317.58x = 189,420.93 × 47,376.45
  4. Step 4: Simplify right side
    126,317.58x = 8,974,091,219.10
  5. Step 5: Solve for x
    x = 8,974,091,219.10/126,317.58
  6. Step 6: Final answer
    x = 71,043.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.