Home / 112,215.48-168,306.84-45,656.88

Finding the Fourth Proportional to 112,215.48, 168,306.84 and 45,656.88

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Solution

The fourth proportional to 112,215.48, 168,306.84 and 45,656.88 is: 68,478.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,215.48 : 168,306.84 = 45,656.88 : x
  2. Step 2: Convert to fraction form
    112,215.48/168,306.84 = 45,656.88/x
  3. Step 3: Cross multiply
    112,215.48x = 168,306.84 × 45,656.88
  4. Step 4: Simplify right side
    112,215.48x = 7,684,365,197.06
  5. Step 5: Solve for x
    x = 7,684,365,197.06/112,215.48
  6. Step 6: Final answer
    x = 68,478.66

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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.