Home / 152,179.84-210,014.32-84,195.60

Finding the Fourth Proportional to 152,179.84, 210,014.32 and 84,195.60

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Solution

The fourth proportional to 152,179.84, 210,014.32 and 84,195.60 is: 116,193.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,179.84 : 210,014.32 = 84,195.60 : x
  2. Step 2: Convert to fraction form
    152,179.84/210,014.32 = 84,195.60/x
  3. Step 3: Cross multiply
    152,179.84x = 210,014.32 × 84,195.60
  4. Step 4: Simplify right side
    152,179.84x = 17,682,281,680.99
  5. Step 5: Solve for x
    x = 17,682,281,680.99/152,179.84
  6. Step 6: Final answer
    x = 116,193.33

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1.5x scale

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.