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Finding the Fourth Proportional to 188,909.93, 283,395.63 and 55,803.62

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Solution

The fourth proportional to 188,909.93, 283,395.63 and 55,803.62 is: 83,714.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,909.93 : 283,395.63 = 55,803.62 : x
  2. Step 2: Convert to fraction form
    188,909.93/283,395.63 = 55,803.62/x
  3. Step 3: Cross multiply
    188,909.93x = 283,395.63 × 55,803.62
  4. Step 4: Simplify right side
    188,909.93x = 15,814,502,046.18
  5. Step 5: Solve for x
    x = 15,814,502,046.18/188,909.93
  6. Step 6: Final answer
    x = 83,714.51

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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.