Home / 124,322.60-186,327.08-53,161.11

Finding the Fourth Proportional to 124,322.60, 186,327.08 and 53,161.11

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Solution

The fourth proportional to 124,322.60, 186,327.08 and 53,161.11 is: 79,674.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,322.60 : 186,327.08 = 53,161.11 : x
  2. Step 2: Convert to fraction form
    124,322.60/186,327.08 = 53,161.11/x
  3. Step 3: Cross multiply
    124,322.60x = 186,327.08 × 53,161.11
  4. Step 4: Simplify right side
    124,322.60x = 9,905,354,628.44
  5. Step 5: Solve for x
    x = 9,905,354,628.44/124,322.60
  6. Step 6: Final answer
    x = 79,674.61

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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.