Home / 188,814.58-283,271.07-70,486.90

Finding the Fourth Proportional to 188,814.58, 283,271.07 and 70,486.90

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Solution

The fourth proportional to 188,814.58, 283,271.07 and 70,486.90 is: 105,748.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,814.58 : 283,271.07 = 70,486.90 : x
  2. Step 2: Convert to fraction form
    188,814.58/283,271.07 = 70,486.90/x
  3. Step 3: Cross multiply
    188,814.58x = 283,271.07 × 70,486.90
  4. Step 4: Simplify right side
    188,814.58x = 19,966,899,583.98
  5. Step 5: Solve for x
    x = 19,966,899,583.98/188,814.58
  6. Step 6: Final answer
    x = 105,748.72

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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.