Home / 140,116.32-210,224.16-87,464.88

Finding the Fourth Proportional to 140,116.32, 210,224.16 and 87,464.88

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Solution

The fourth proportional to 140,116.32, 210,224.16 and 87,464.88 is: 131,228.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,116.32 : 210,224.16 = 87,464.88 : x
  2. Step 2: Convert to fraction form
    140,116.32/210,224.16 = 87,464.88/x
  3. Step 3: Cross multiply
    140,116.32x = 210,224.16 × 87,464.88
  4. Step 4: Simplify right side
    140,116.32x = 18,387,230,927.50
  5. Step 5: Solve for x
    x = 18,387,230,927.50/140,116.32
  6. Step 6: Final answer
    x = 131,228.33

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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.