Home / 152,902.40-210,986.24-84,919.04

Finding the Fourth Proportional to 152,902.40, 210,986.24 and 84,919.04

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Solution

The fourth proportional to 152,902.40, 210,986.24 and 84,919.04 is: 117,177.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,902.40 : 210,986.24 = 84,919.04 : x
  2. Step 2: Convert to fraction form
    152,902.40/210,986.24 = 84,919.04/x
  3. Step 3: Cross multiply
    152,902.40x = 210,986.24 × 84,919.04
  4. Step 4: Simplify right side
    152,902.40x = 17,916,748,954.01
  5. Step 5: Solve for x
    x = 17,916,748,954.01/152,902.40
  6. Step 6: Final answer
    x = 117,177.68

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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.