Home / 134,876.06-186,128.98-74,446.72

Finding the Fourth Proportional to 134,876.06, 186,128.98 and 74,446.72

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Solution

The fourth proportional to 134,876.06, 186,128.98 and 74,446.72 is: 102,736.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,876.06 : 186,128.98 = 74,446.72 : x
  2. Step 2: Convert to fraction form
    134,876.06/186,128.98 = 74,446.72/x
  3. Step 3: Cross multiply
    134,876.06x = 186,128.98 × 74,446.72
  4. Step 4: Simplify right side
    134,876.06x = 13,856,692,244.06
  5. Step 5: Solve for x
    x = 13,856,692,244.06/134,876.06
  6. Step 6: Final answer
    x = 102,736.48

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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.