Home / 124,004.25-185,690.85-81,756.16

Finding the Fourth Proportional to 124,004.25, 185,690.85 and 81,756.16

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Solution

The fourth proportional to 124,004.25, 185,690.85 and 81,756.16 is: 122,426.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,004.25 : 185,690.85 = 81,756.16 : x
  2. Step 2: Convert to fraction form
    124,004.25/185,690.85 = 81,756.16/x
  3. Step 3: Cross multiply
    124,004.25x = 185,690.85 × 81,756.16
  4. Step 4: Simplify right side
    124,004.25x = 15,181,369,914.68
  5. Step 5: Solve for x
    x = 15,181,369,914.68/124,004.25
  6. Step 6: Final answer
    x = 122,426.21

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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.