Home / 152,766.85-210,820.57-84,788.23

Finding the Fourth Proportional to 152,766.85, 210,820.57 and 84,788.23

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Solution

The fourth proportional to 152,766.85, 210,820.57 and 84,788.23 is: 117,009.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,766.85 : 210,820.57 = 84,788.23 : x
  2. Step 2: Convert to fraction form
    152,766.85/210,820.57 = 84,788.23/x
  3. Step 3: Cross multiply
    152,766.85x = 210,820.57 × 84,788.23
  4. Step 4: Simplify right side
    152,766.85x = 17,875,102,238.87
  5. Step 5: Solve for x
    x = 17,875,102,238.87/152,766.85
  6. Step 6: Final answer
    x = 117,009.04

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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.