Home / 112,537.44-155,303.28-64,789.92

Finding the Fourth Proportional to 112,537.44, 155,303.28 and 64,789.92

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Solution

The fourth proportional to 112,537.44, 155,303.28 and 64,789.92 is: 89,411.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,537.44 : 155,303.28 = 64,789.92 : x
  2. Step 2: Convert to fraction form
    112,537.44/155,303.28 = 64,789.92/x
  3. Step 3: Cross multiply
    112,537.44x = 155,303.28 × 64,789.92
  4. Step 4: Simplify right side
    112,537.44x = 10,062,087,086.94
  5. Step 5: Solve for x
    x = 10,062,087,086.94/112,537.44
  6. Step 6: Final answer
    x = 89,411.02

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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.