Home / 130,962.26-196,479.65-52,131.84

Finding the Fourth Proportional to 130,962.26, 196,479.65 and 52,131.84

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Solution

The fourth proportional to 130,962.26, 196,479.65 and 52,131.84 is: 78,212.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,962.26 : 196,479.65 = 52,131.84 : x
  2. Step 2: Convert to fraction form
    130,962.26/196,479.65 = 52,131.84/x
  3. Step 3: Cross multiply
    130,962.26x = 196,479.65 × 52,131.84
  4. Step 4: Simplify right side
    130,962.26x = 10,242,845,416.40
  5. Step 5: Solve for x
    x = 10,242,845,416.40/130,962.26
  6. Step 6: Final answer
    x = 78,212.19

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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.