Home / 134,521.18-185,622.98-77,157.54

Finding the Fourth Proportional to 134,521.18, 185,622.98 and 77,157.54

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Solution

The fourth proportional to 134,521.18, 185,622.98 and 77,157.54 is: 106,468.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,521.18 : 185,622.98 = 77,157.54 : x
  2. Step 2: Convert to fraction form
    134,521.18/185,622.98 = 77,157.54/x
  3. Step 3: Cross multiply
    134,521.18x = 185,622.98 × 77,157.54
  4. Step 4: Simplify right side
    134,521.18x = 14,322,212,504.27
  5. Step 5: Solve for x
    x = 14,322,212,504.27/134,521.18
  6. Step 6: Final answer
    x = 106,468.09

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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.