Home / 130,172.92-195,276.84-45,913.28

Finding the Fourth Proportional to 130,172.92, 195,276.84 and 45,913.28

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Solution

The fourth proportional to 130,172.92, 195,276.84 and 45,913.28 is: 68,876.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,172.92 : 195,276.84 = 45,913.28 : x
  2. Step 2: Convert to fraction form
    130,172.92/195,276.84 = 45,913.28/x
  3. Step 3: Cross multiply
    130,172.92x = 195,276.84 × 45,913.28
  4. Step 4: Simplify right side
    130,172.92x = 8,965,799,256.05
  5. Step 5: Solve for x
    x = 8,965,799,256.05/130,172.92
  6. Step 6: Final answer
    x = 68,876.07

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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.