Home / 84,315.74-116,195.61-60,400.89

Finding the Fourth Proportional to 84,315.74, 116,195.61 and 60,400.89

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Solution

The fourth proportional to 84,315.74, 116,195.61 and 60,400.89 is: 83,238.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,315.74 : 116,195.61 = 60,400.89 : x
  2. Step 2: Convert to fraction form
    84,315.74/116,195.61 = 60,400.89/x
  3. Step 3: Cross multiply
    84,315.74x = 116,195.61 × 60,400.89
  4. Step 4: Simplify right side
    84,315.74x = 7,018,318,484.60
  5. Step 5: Solve for x
    x = 7,018,318,484.60/84,315.74
  6. Step 6: Final answer
    x = 83,238.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.