Home / 130,266.32-195,492.78-55,439.03

Finding the Fourth Proportional to 130,266.32, 195,492.78 and 55,439.03

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Solution

The fourth proportional to 130,266.32, 195,492.78 and 55,439.03 is: 83,198.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,266.32 : 195,492.78 = 55,439.03 : x
  2. Step 2: Convert to fraction form
    130,266.32/195,492.78 = 55,439.03/x
  3. Step 3: Cross multiply
    130,266.32x = 195,492.78 × 55,439.03
  4. Step 4: Simplify right side
    130,266.32x = 10,837,929,117.74
  5. Step 5: Solve for x
    x = 10,837,929,117.74/130,266.32
  6. Step 6: Final answer
    x = 83,198.25

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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.