Home / 137,567.26-189,762.39-86,499.14

Finding the Fourth Proportional to 137,567.26, 189,762.39 and 86,499.14

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Solution

The fourth proportional to 137,567.26, 189,762.39 and 86,499.14 is: 119,318.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,567.26 : 189,762.39 = 86,499.14 : x
  2. Step 2: Convert to fraction form
    137,567.26/189,762.39 = 86,499.14/x
  3. Step 3: Cross multiply
    137,567.26x = 189,762.39 × 86,499.14
  4. Step 4: Simplify right side
    137,567.26x = 16,414,282,632.44
  5. Step 5: Solve for x
    x = 16,414,282,632.44/137,567.26
  6. Step 6: Final answer
    x = 119,318.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.