Home / 130,206.24-195,282-36,686.88

Finding the Fourth Proportional to 130,206.24, 195,282 and 36,686.88

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Solution

The fourth proportional to 130,206.24, 195,282 and 36,686.88 is: 55,022.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,206.24 : 195,282 = 36,686.88 : x
  2. Step 2: Convert to fraction form
    130,206.24/195,282 = 36,686.88/x
  3. Step 3: Cross multiply
    130,206.24x = 195,282 × 36,686.88
  4. Step 4: Simplify right side
    130,206.24x = 7,164,287,300.16
  5. Step 5: Solve for x
    x = 7,164,287,300.16/130,206.24
  6. Step 6: Final answer
    x = 55,022.61

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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.