Home / 130,080.66-195,154.58-40,121.35

Finding the Fourth Proportional to 130,080.66, 195,154.58 and 40,121.35

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Solution

The fourth proportional to 130,080.66, 195,154.58 and 40,121.35 is: 60,192.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,080.66 : 195,154.58 = 40,121.35 : x
  2. Step 2: Convert to fraction form
    130,080.66/195,154.58 = 40,121.35/x
  3. Step 3: Cross multiply
    130,080.66x = 195,154.58 × 40,121.35
  4. Step 4: Simplify right side
    130,080.66x = 7,829,865,617.53
  5. Step 5: Solve for x
    x = 7,829,865,617.53/130,080.66
  6. Step 6: Final answer
    x = 60,192.39

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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.