Home / 112,822.08-155,710.80-65,065.92

Finding the Fourth Proportional to 112,822.08, 155,710.80 and 65,065.92

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Solution

The fourth proportional to 112,822.08, 155,710.80 and 65,065.92 is: 89,800.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,822.08 : 155,710.80 = 65,065.92 : x
  2. Step 2: Convert to fraction form
    112,822.08/155,710.80 = 65,065.92/x
  3. Step 3: Cross multiply
    112,822.08x = 155,710.80 × 65,065.92
  4. Step 4: Simplify right side
    112,822.08x = 10,131,466,455.94
  5. Step 5: Solve for x
    x = 10,131,466,455.94/112,822.08
  6. Step 6: Final answer
    x = 89,800.39

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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.