Home / 152,375.28-210,267.36-84,387.36

Finding the Fourth Proportional to 152,375.28, 210,267.36 and 84,387.36

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Solution

The fourth proportional to 152,375.28, 210,267.36 and 84,387.36 is: 116,448.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,375.28 : 210,267.36 = 84,387.36 : x
  2. Step 2: Convert to fraction form
    152,375.28/210,267.36 = 84,387.36/x
  3. Step 3: Cross multiply
    152,375.28x = 210,267.36 × 84,387.36
  4. Step 4: Simplify right side
    152,375.28x = 17,743,907,404.57
  5. Step 5: Solve for x
    x = 17,743,907,404.57/152,375.28
  6. Step 6: Final answer
    x = 116,448.73

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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.