Home / 112,319.82-168,479.05-28,079.58

Finding the Fourth Proportional to 112,319.82, 168,479.05 and 28,079.58

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Solution

The fourth proportional to 112,319.82, 168,479.05 and 28,079.58 is: 42,119.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,319.82 : 168,479.05 = 28,079.58 : x
  2. Step 2: Convert to fraction form
    112,319.82/168,479.05 = 28,079.58/x
  3. Step 3: Cross multiply
    112,319.82x = 168,479.05 × 28,079.58
  4. Step 4: Simplify right side
    112,319.82x = 4,730,820,962.80
  5. Step 5: Solve for x
    x = 4,730,820,962.80/112,319.82
  6. Step 6: Final answer
    x = 42,119.20

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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.