Home / 130,135.46-195,259.68-45,955.80

Finding the Fourth Proportional to 130,135.46, 195,259.68 and 45,955.80

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Solution

The fourth proportional to 130,135.46, 195,259.68 and 45,955.80 is: 68,953.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,135.46 : 195,259.68 = 45,955.80 : x
  2. Step 2: Convert to fraction form
    130,135.46/195,259.68 = 45,955.80/x
  3. Step 3: Cross multiply
    130,135.46x = 195,259.68 × 45,955.80
  4. Step 4: Simplify right side
    130,135.46x = 8,973,314,802.14
  5. Step 5: Solve for x
    x = 8,973,314,802.14/130,135.46
  6. Step 6: Final answer
    x = 68,953.65

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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.