Home / 140,378.08-210,606.24-78,092.32

Finding the Fourth Proportional to 140,378.08, 210,606.24 and 78,092.32

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Solution

The fourth proportional to 140,378.08, 210,606.24 and 78,092.32 is: 117,160.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,378.08 : 210,606.24 = 78,092.32 : x
  2. Step 2: Convert to fraction form
    140,378.08/210,606.24 = 78,092.32/x
  3. Step 3: Cross multiply
    140,378.08x = 210,606.24 × 78,092.32
  4. Step 4: Simplify right side
    140,378.08x = 16,446,729,888.08
  5. Step 5: Solve for x
    x = 16,446,729,888.08/140,378.08
  6. Step 6: Final answer
    x = 117,160.24

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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.