Home / 130,982.42-196,509.74-52,152

Finding the Fourth Proportional to 130,982.42, 196,509.74 and 52,152

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Solution

The fourth proportional to 130,982.42, 196,509.74 and 52,152 is: 78,242.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,982.42 : 196,509.74 = 52,152 : x
  2. Step 2: Convert to fraction form
    130,982.42/196,509.74 = 52,152/x
  3. Step 3: Cross multiply
    130,982.42x = 196,509.74 × 52,152
  4. Step 4: Simplify right side
    130,982.42x = 10,248,375,699.72
  5. Step 5: Solve for x
    x = 10,248,375,699.72/130,982.42
  6. Step 6: Final answer
    x = 78,242.38

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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.