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Finding the Fourth Proportional to 92,256.76, 127,315.74 and 54,534.52

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Solution

The fourth proportional to 92,256.76, 127,315.74 and 54,534.52 is: 75,258.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,256.76 : 127,315.74 = 54,534.52 : x
  2. Step 2: Convert to fraction form
    92,256.76/127,315.74 = 54,534.52/x
  3. Step 3: Cross multiply
    92,256.76x = 127,315.74 × 54,534.52
  4. Step 4: Simplify right side
    92,256.76x = 6,943,102,769.34
  5. Step 5: Solve for x
    x = 6,943,102,769.34/92,256.76
  6. Step 6: Final answer
    x = 75,258.47

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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.