Home / 126,742.10-174,947.81-73,048.55

Finding the Fourth Proportional to 126,742.10, 174,947.81 and 73,048.55

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Solution

The fourth proportional to 126,742.10, 174,947.81 and 73,048.55 is: 100,832.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,742.10 : 174,947.81 = 73,048.55 : x
  2. Step 2: Convert to fraction form
    126,742.10/174,947.81 = 73,048.55/x
  3. Step 3: Cross multiply
    126,742.10x = 174,947.81 × 73,048.55
  4. Step 4: Simplify right side
    126,742.10x = 12,779,682,606.19
  5. Step 5: Solve for x
    x = 12,779,682,606.19/126,742.10
  6. Step 6: Final answer
    x = 100,832.19

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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.