Home / 150,860.29-208,164.06-87,185.79

Finding the Fourth Proportional to 150,860.29, 208,164.06 and 87,185.79

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Solution

The fourth proportional to 150,860.29, 208,164.06 and 87,185.79 is: 120,303.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,860.29 : 208,164.06 = 87,185.79 : x
  2. Step 2: Convert to fraction form
    150,860.29/208,164.06 = 87,185.79/x
  3. Step 3: Cross multiply
    150,860.29x = 208,164.06 × 87,185.79
  4. Step 4: Simplify right side
    150,860.29x = 18,148,948,020.71
  5. Step 5: Solve for x
    x = 18,148,948,020.71/150,860.29
  6. Step 6: Final answer
    x = 120,303.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.