Home / 121,827.88-182,834.14-51,756.36

Finding the Fourth Proportional to 121,827.88, 182,834.14 and 51,756.36

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Solution

The fourth proportional to 121,827.88, 182,834.14 and 51,756.36 is: 77,673.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,827.88 : 182,834.14 = 51,756.36 : x
  2. Step 2: Convert to fraction form
    121,827.88/182,834.14 = 51,756.36/x
  3. Step 3: Cross multiply
    121,827.88x = 182,834.14 × 51,756.36
  4. Step 4: Simplify right side
    121,827.88x = 9,462,829,570.13
  5. Step 5: Solve for x
    x = 9,462,829,570.13/121,827.88
  6. Step 6: Final answer
    x = 77,673.76

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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.