Home / 188,776.02-283,213.08-70,448.25

Finding the Fourth Proportional to 188,776.02, 283,213.08 and 70,448.25

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Solution

The fourth proportional to 188,776.02, 283,213.08 and 70,448.25 is: 105,690.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,776.02 : 283,213.08 = 70,448.25 : x
  2. Step 2: Convert to fraction form
    188,776.02/283,213.08 = 70,448.25/x
  3. Step 3: Cross multiply
    188,776.02x = 283,213.08 × 70,448.25
  4. Step 4: Simplify right side
    188,776.02x = 19,951,865,863.11
  5. Step 5: Solve for x
    x = 19,951,865,863.11/188,776.02
  6. Step 6: Final answer
    x = 105,690.68

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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.