Home / 152,766.92-210,818.06-84,784.70

Finding the Fourth Proportional to 152,766.92, 210,818.06 and 84,784.70

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Solution

The fourth proportional to 152,766.92, 210,818.06 and 84,784.70 is: 117,002.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,766.92 : 210,818.06 = 84,784.70 : x
  2. Step 2: Convert to fraction form
    152,766.92/210,818.06 = 84,784.70/x
  3. Step 3: Cross multiply
    152,766.92x = 210,818.06 × 84,784.70
  4. Step 4: Simplify right side
    152,766.92x = 17,874,145,971.68
  5. Step 5: Solve for x
    x = 17,874,145,971.68/152,766.92
  6. Step 6: Final answer
    x = 117,002.73

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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.