Home / 152,845.72-210,933.68-84,862.70

Finding the Fourth Proportional to 152,845.72, 210,933.68 and 84,862.70

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Solution

The fourth proportional to 152,845.72, 210,933.68 and 84,862.70 is: 117,114.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,845.72 : 210,933.68 = 84,862.70 : x
  2. Step 2: Convert to fraction form
    152,845.72/210,933.68 = 84,862.70/x
  3. Step 3: Cross multiply
    152,845.72x = 210,933.68 × 84,862.70
  4. Step 4: Simplify right side
    152,845.72x = 17,900,400,338.91
  5. Step 5: Solve for x
    x = 17,900,400,338.91/152,845.72
  6. Step 6: Final answer
    x = 117,114.18

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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.