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Finding the Fourth Proportional to 134,672.44, 185,814.64 and 80,946.76

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Solution

The fourth proportional to 134,672.44, 185,814.64 and 80,946.76 is: 111,686.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,672.44 : 185,814.64 = 80,946.76 : x
  2. Step 2: Convert to fraction form
    134,672.44/185,814.64 = 80,946.76/x
  3. Step 3: Cross multiply
    134,672.44x = 185,814.64 × 80,946.76
  4. Step 4: Simplify right side
    134,672.44x = 15,041,093,068.57
  5. Step 5: Solve for x
    x = 15,041,093,068.57/134,672.44
  6. Step 6: Final answer
    x = 111,686.50

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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.