Home / 134,971.17-186,255.19-74,540.52

Finding the Fourth Proportional to 134,971.17, 186,255.19 and 74,540.52

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Solution

The fourth proportional to 134,971.17, 186,255.19 and 74,540.52 is: 102,863.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,971.17 : 186,255.19 = 74,540.52 : x
  2. Step 2: Convert to fraction form
    134,971.17/186,255.19 = 74,540.52/x
  3. Step 3: Cross multiply
    134,971.17x = 186,255.19 × 74,540.52
  4. Step 4: Simplify right side
    134,971.17x = 13,883,559,031.17
  5. Step 5: Solve for x
    x = 13,883,559,031.17/134,971.17
  6. Step 6: Final answer
    x = 102,863.14

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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.