Home / 140,581.80-210,639.41-98,941.32

Finding the Fourth Proportional to 140,581.80, 210,639.41 and 98,941.32

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Solution

The fourth proportional to 140,581.80, 210,639.41 and 98,941.32 is: 148,247.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,581.80 : 210,639.41 = 98,941.32 : x
  2. Step 2: Convert to fraction form
    140,581.80/210,639.41 = 98,941.32/x
  3. Step 3: Cross multiply
    140,581.80x = 210,639.41 × 98,941.32
  4. Step 4: Simplify right side
    140,581.80x = 20,840,941,269.42
  5. Step 5: Solve for x
    x = 20,840,941,269.42/140,581.80
  6. Step 6: Final answer
    x = 148,247.79

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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.