Home / 145,727.26-218,598.64-45,895.26

Finding the Fourth Proportional to 145,727.26, 218,598.64 and 45,895.26

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Solution

The fourth proportional to 145,727.26, 218,598.64 and 45,895.26 is: 68,845.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,727.26 : 218,598.64 = 45,895.26 : x
  2. Step 2: Convert to fraction form
    145,727.26/218,598.64 = 45,895.26/x
  3. Step 3: Cross multiply
    145,727.26x = 218,598.64 × 45,895.26
  4. Step 4: Simplify right side
    145,727.26x = 10,032,641,418.45
  5. Step 5: Solve for x
    x = 10,032,641,418.45/145,727.26
  6. Step 6: Final answer
    x = 68,845.33

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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.