Home / 124,161.86-186,270.56-45,276.09

Finding the Fourth Proportional to 124,161.86, 186,270.56 and 45,276.09

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Solution

The fourth proportional to 124,161.86, 186,270.56 and 45,276.09 is: 67,924.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,161.86 : 186,270.56 = 45,276.09 : x
  2. Step 2: Convert to fraction form
    124,161.86/186,270.56 = 45,276.09/x
  3. Step 3: Cross multiply
    124,161.86x = 186,270.56 × 45,276.09
  4. Step 4: Simplify right side
    124,161.86x = 8,433,602,412.53
  5. Step 5: Solve for x
    x = 8,433,602,412.53/124,161.86
  6. Step 6: Final answer
    x = 67,924.26

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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.