Home / 130,632.93-180,280.57-73,290.41

Finding the Fourth Proportional to 130,632.93, 180,280.57 and 73,290.41

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Solution

The fourth proportional to 130,632.93, 180,280.57 and 73,290.41 is: 101,144.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,632.93 : 180,280.57 = 73,290.41 : x
  2. Step 2: Convert to fraction form
    130,632.93/180,280.57 = 73,290.41/x
  3. Step 3: Cross multiply
    130,632.93x = 180,280.57 × 73,290.41
  4. Step 4: Simplify right side
    130,632.93x = 13,212,836,890.33
  5. Step 5: Solve for x
    x = 13,212,836,890.33/130,632.93
  6. Step 6: Final answer
    x = 101,144.76

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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.