Home / 112,276.68-168,273.98-56,132.42

Finding the Fourth Proportional to 112,276.68, 168,273.98 and 56,132.42

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Solution

The fourth proportional to 112,276.68, 168,273.98 and 56,132.42 is: 84,128.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,276.68 : 168,273.98 = 56,132.42 : x
  2. Step 2: Convert to fraction form
    112,276.68/168,273.98 = 56,132.42/x
  3. Step 3: Cross multiply
    112,276.68x = 168,273.98 × 56,132.42
  4. Step 4: Simplify right side
    112,276.68x = 9,445,625,720.43
  5. Step 5: Solve for x
    x = 9,445,625,720.43/112,276.68
  6. Step 6: Final answer
    x = 84,128.12

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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.