Home / 189,167.16-283,779.90-64,479

Finding the Fourth Proportional to 189,167.16, 283,779.90 and 64,479

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Solution

The fourth proportional to 189,167.16, 283,779.90 and 64,479 is: 96,728.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,167.16 : 283,779.90 = 64,479 : x
  2. Step 2: Convert to fraction form
    189,167.16/283,779.90 = 64,479/x
  3. Step 3: Cross multiply
    189,167.16x = 283,779.90 × 64,479
  4. Step 4: Simplify right side
    189,167.16x = 18,297,844,172.10
  5. Step 5: Solve for x
    x = 18,297,844,172.10/189,167.16
  6. Step 6: Final answer
    x = 96,728.44

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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.