Home / 130,124.36-195,186.62-36,630.12

Finding the Fourth Proportional to 130,124.36, 195,186.62 and 36,630.12

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Solution

The fourth proportional to 130,124.36, 195,186.62 and 36,630.12 is: 54,945.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,124.36 : 195,186.62 = 36,630.12 : x
  2. Step 2: Convert to fraction form
    130,124.36/195,186.62 = 36,630.12/x
  3. Step 3: Cross multiply
    130,124.36x = 195,186.62 × 36,630.12
  4. Step 4: Simplify right side
    130,124.36x = 7,149,709,312.99
  5. Step 5: Solve for x
    x = 7,149,709,312.99/130,124.36
  6. Step 6: Final answer
    x = 54,945.20

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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.