Home / 187,215.27-258,492.38-115,693.35

Finding the Fourth Proportional to 187,215.27, 258,492.38 and 115,693.35

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Solution

The fourth proportional to 187,215.27, 258,492.38 and 115,693.35 is: 159,740.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,215.27 : 258,492.38 = 115,693.35 : x
  2. Step 2: Convert to fraction form
    187,215.27/258,492.38 = 115,693.35/x
  3. Step 3: Cross multiply
    187,215.27x = 258,492.38 × 115,693.35
  4. Step 4: Simplify right side
    187,215.27x = 29,905,848,813.21
  5. Step 5: Solve for x
    x = 29,905,848,813.21/187,215.27
  6. Step 6: Final answer
    x = 159,740.44

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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.