Home / 135,055.17-202,521.20-56,122.29

Finding the Fourth Proportional to 135,055.17, 202,521.20 and 56,122.29

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Solution

The fourth proportional to 135,055.17, 202,521.20 and 56,122.29 is: 84,157.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,055.17 : 202,521.20 = 56,122.29 : x
  2. Step 2: Convert to fraction form
    135,055.17/202,521.20 = 56,122.29/x
  3. Step 3: Cross multiply
    135,055.17x = 202,521.20 × 56,122.29
  4. Step 4: Simplify right side
    135,055.17x = 11,365,953,236.94
  5. Step 5: Solve for x
    x = 11,365,953,236.94/135,055.17
  6. Step 6: Final answer
    x = 84,157.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.