Home / 130,552.21-180,161.85-73,963.45

Finding the Fourth Proportional to 130,552.21, 180,161.85 and 73,963.45

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Solution

The fourth proportional to 130,552.21, 180,161.85 and 73,963.45 is: 102,069.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,552.21 : 180,161.85 = 73,963.45 : x
  2. Step 2: Convert to fraction form
    130,552.21/180,161.85 = 73,963.45/x
  3. Step 3: Cross multiply
    130,552.21x = 180,161.85 × 73,963.45
  4. Step 4: Simplify right side
    130,552.21x = 13,325,391,984.38
  5. Step 5: Solve for x
    x = 13,325,391,984.38/130,552.21
  6. Step 6: Final answer
    x = 102,069.45

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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.