Home / 152,950.14-211,078.26-84,967.20

Finding the Fourth Proportional to 152,950.14, 211,078.26 and 84,967.20

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Solution

The fourth proportional to 152,950.14, 211,078.26 and 84,967.20 is: 117,258.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,950.14 : 211,078.26 = 84,967.20 : x
  2. Step 2: Convert to fraction form
    152,950.14/211,078.26 = 84,967.20/x
  3. Step 3: Cross multiply
    152,950.14x = 211,078.26 × 84,967.20
  4. Step 4: Simplify right side
    152,950.14x = 17,934,728,733.07
  5. Step 5: Solve for x
    x = 17,934,728,733.07/152,950.14
  6. Step 6: Final answer
    x = 117,258.66

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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.