Home / 152,746.62-210,784.75-84,766.56

Finding the Fourth Proportional to 152,746.62, 210,784.75 and 84,766.56

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Solution

The fourth proportional to 152,746.62, 210,784.75 and 84,766.56 is: 116,974.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,746.62 : 210,784.75 = 84,766.56 : x
  2. Step 2: Convert to fraction form
    152,746.62/210,784.75 = 84,766.56/x
  3. Step 3: Cross multiply
    152,746.62x = 210,784.75 × 84,766.56
  4. Step 4: Simplify right side
    152,746.62x = 17,867,498,157.96
  5. Step 5: Solve for x
    x = 17,867,498,157.96/152,746.62
  6. Step 6: Final answer
    x = 116,974.75

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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.