Home / 112,218.75-168,328.13-56,814.75

Finding the Fourth Proportional to 112,218.75, 168,328.13 and 56,814.75

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Solution

The fourth proportional to 112,218.75, 168,328.13 and 56,814.75 is: 85,222.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,218.75 : 168,328.13 = 56,814.75 : x
  2. Step 2: Convert to fraction form
    112,218.75/168,328.13 = 56,814.75/x
  3. Step 3: Cross multiply
    112,218.75x = 168,328.13 × 56,814.75
  4. Step 4: Simplify right side
    112,218.75x = 9,563,520,339.84
  5. Step 5: Solve for x
    x = 9,563,520,339.84/112,218.75
  6. Step 6: Final answer
    x = 85,222.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.