Home / 121,645.67-182,507.54-58,470.37

Finding the Fourth Proportional to 121,645.67, 182,507.54 and 58,470.37

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Solution

The fourth proportional to 121,645.67, 182,507.54 and 58,470.37 is: 87,724.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,645.67 : 182,507.54 = 58,470.37 : x
  2. Step 2: Convert to fraction form
    121,645.67/182,507.54 = 58,470.37/x
  3. Step 3: Cross multiply
    121,645.67x = 182,507.54 × 58,470.37
  4. Step 4: Simplify right side
    121,645.67x = 10,671,282,642.97
  5. Step 5: Solve for x
    x = 10,671,282,642.97/121,645.67
  6. Step 6: Final answer
    x = 87,724.32

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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.