Home / 130,213.12-195,322.04-45,971.24

Finding the Fourth Proportional to 130,213.12, 195,322.04 and 45,971.24

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Solution

The fourth proportional to 130,213.12, 195,322.04 and 45,971.24 is: 68,957.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,213.12 : 195,322.04 = 45,971.24 : x
  2. Step 2: Convert to fraction form
    130,213.12/195,322.04 = 45,971.24/x
  3. Step 3: Cross multiply
    130,213.12x = 195,322.04 × 45,971.24
  4. Step 4: Simplify right side
    130,213.12x = 8,979,196,378.13
  5. Step 5: Solve for x
    x = 8,979,196,378.13/130,213.12
  6. Step 6: Final answer
    x = 68,957.69

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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.