Home / 187,567.48-258,867.77-106,976.53

Finding the Fourth Proportional to 187,567.48, 258,867.77 and 106,976.53

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Solution

The fourth proportional to 187,567.48, 258,867.77 and 106,976.53 is: 147,641.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,567.48 : 258,867.77 = 106,976.53 : x
  2. Step 2: Convert to fraction form
    187,567.48/258,867.77 = 106,976.53/x
  3. Step 3: Cross multiply
    187,567.48x = 258,867.77 × 106,976.53
  4. Step 4: Simplify right side
    187,567.48x = 27,692,776,143.17
  5. Step 5: Solve for x
    x = 27,692,776,143.17/187,567.48
  6. Step 6: Final answer
    x = 147,641.67

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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.