Home / 140,119.10-210,178.88-112,216.62

Finding the Fourth Proportional to 140,119.10, 210,178.88 and 112,216.62

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Solution

The fourth proportional to 140,119.10, 210,178.88 and 112,216.62 is: 168,325.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,119.10 : 210,178.88 = 112,216.62 : x
  2. Step 2: Convert to fraction form
    140,119.10/210,178.88 = 112,216.62/x
  3. Step 3: Cross multiply
    140,119.10x = 210,178.88 × 112,216.62
  4. Step 4: Simplify right side
    140,119.10x = 23,585,562,947.90
  5. Step 5: Solve for x
    x = 23,585,562,947.90/140,119.10
  6. Step 6: Final answer
    x = 168,325.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.