Home / 152,812.20-210,890.36-88,284.12

Finding the Fourth Proportional to 152,812.20, 210,890.36 and 88,284.12

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Solution

The fourth proportional to 152,812.20, 210,890.36 and 88,284.12 is: 121,837.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,812.20 : 210,890.36 = 88,284.12 : x
  2. Step 2: Convert to fraction form
    152,812.20/210,890.36 = 88,284.12/x
  3. Step 3: Cross multiply
    152,812.20x = 210,890.36 × 88,284.12
  4. Step 4: Simplify right side
    152,812.20x = 18,618,269,849.08
  5. Step 5: Solve for x
    x = 18,618,269,849.08/152,812.20
  6. Step 6: Final answer
    x = 121,837.59

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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.