Home / 139,908.02-209,923.86-73,332.23

Finding the Fourth Proportional to 139,908.02, 209,923.86 and 73,332.23

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Solution

The fourth proportional to 139,908.02, 209,923.86 and 73,332.23 is: 110,030.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,908.02 : 209,923.86 = 73,332.23 : x
  2. Step 2: Convert to fraction form
    139,908.02/209,923.86 = 73,332.23/x
  3. Step 3: Cross multiply
    139,908.02x = 209,923.86 × 73,332.23
  4. Step 4: Simplify right side
    139,908.02x = 15,394,184,784.01
  5. Step 5: Solve for x
    x = 15,394,184,784.01/139,908.02
  6. Step 6: Final answer
    x = 110,030.75

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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.