Home / 126,505.10-189,570-51,533.66

Finding the Fourth Proportional to 126,505.10, 189,570 and 51,533.66

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Solution

The fourth proportional to 126,505.10, 189,570 and 51,533.66 is: 77,224.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,505.10 : 189,570 = 51,533.66 : x
  2. Step 2: Convert to fraction form
    126,505.10/189,570 = 51,533.66/x
  3. Step 3: Cross multiply
    126,505.10x = 189,570 × 51,533.66
  4. Step 4: Simplify right side
    126,505.10x = 9,769,235,926.20
  5. Step 5: Solve for x
    x = 9,769,235,926.20/126,505.10
  6. Step 6: Final answer
    x = 77,224.05

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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.