Home / 112,142.76-154,749.18-63,091.77

Finding the Fourth Proportional to 112,142.76, 154,749.18 and 63,091.77

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Solution

The fourth proportional to 112,142.76, 154,749.18 and 63,091.77 is: 87,062.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,142.76 : 154,749.18 = 63,091.77 : x
  2. Step 2: Convert to fraction form
    112,142.76/154,749.18 = 63,091.77/x
  3. Step 3: Cross multiply
    112,142.76x = 154,749.18 × 63,091.77
  4. Step 4: Simplify right side
    112,142.76x = 9,763,399,672.25
  5. Step 5: Solve for x
    x = 9,763,399,672.25/112,142.76
  6. Step 6: Final answer
    x = 87,062.24

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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.