Home / 92,881.20-128,168.96-54,642.27

Finding the Fourth Proportional to 92,881.20, 128,168.96 and 54,642.27

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Solution

The fourth proportional to 92,881.20, 128,168.96 and 54,642.27 is: 75,402.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,881.20 : 128,168.96 = 54,642.27 : x
  2. Step 2: Convert to fraction form
    92,881.20/128,168.96 = 54,642.27/x
  3. Step 3: Cross multiply
    92,881.20x = 128,168.96 × 54,642.27
  4. Step 4: Simplify right side
    92,881.20x = 7,003,442,644.73
  5. Step 5: Solve for x
    x = 7,003,442,644.73/92,881.20
  6. Step 6: Final answer
    x = 75,402.16

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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.