Home / 112,855.59-155,699.49-67,534.86

Finding the Fourth Proportional to 112,855.59, 155,699.49 and 67,534.86

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Solution

The fourth proportional to 112,855.59, 155,699.49 and 67,534.86 is: 93,173.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,855.59 : 155,699.49 = 67,534.86 : x
  2. Step 2: Convert to fraction form
    112,855.59/155,699.49 = 67,534.86/x
  3. Step 3: Cross multiply
    112,855.59x = 155,699.49 × 67,534.86
  4. Step 4: Simplify right side
    112,855.59x = 10,515,143,259.22
  5. Step 5: Solve for x
    x = 10,515,143,259.22/112,855.59
  6. Step 6: Final answer
    x = 93,173.44

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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.