Home / 187,513.52-258,679.16-115,867.76

Finding the Fourth Proportional to 187,513.52, 258,679.16 and 115,867.76

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Solution

The fourth proportional to 187,513.52, 258,679.16 and 115,867.76 is: 159,842.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,513.52 : 258,679.16 = 115,867.76 : x
  2. Step 2: Convert to fraction form
    187,513.52/258,679.16 = 115,867.76/x
  3. Step 3: Cross multiply
    187,513.52x = 258,679.16 × 115,867.76
  4. Step 4: Simplify right side
    187,513.52x = 29,972,574,827.88
  5. Step 5: Solve for x
    x = 29,972,574,827.88/187,513.52
  6. Step 6: Final answer
    x = 159,842.21

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1.5x scale

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.