Home / 139,944.31-210,004.85-73,432.17

Finding the Fourth Proportional to 139,944.31, 210,004.85 and 73,432.17

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Solution

The fourth proportional to 139,944.31, 210,004.85 and 73,432.17 is: 110,194.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,944.31 : 210,004.85 = 73,432.17 : x
  2. Step 2: Convert to fraction form
    139,944.31/210,004.85 = 73,432.17/x
  3. Step 3: Cross multiply
    139,944.31x = 210,004.85 × 73,432.17
  4. Step 4: Simplify right side
    139,944.31x = 15,421,112,029.60
  5. Step 5: Solve for x
    x = 15,421,112,029.60/139,944.31
  6. Step 6: Final answer
    x = 110,194.64

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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.