Home / 136,311.88-204,567.18-69,807.64

Finding the Fourth Proportional to 136,311.88, 204,567.18 and 69,807.64

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Solution

The fourth proportional to 136,311.88, 204,567.18 and 69,807.64 is: 104,762.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,311.88 : 204,567.18 = 69,807.64 : x
  2. Step 2: Convert to fraction form
    136,311.88/204,567.18 = 69,807.64/x
  3. Step 3: Cross multiply
    136,311.88x = 204,567.18 × 69,807.64
  4. Step 4: Simplify right side
    136,311.88x = 14,280,352,057.26
  5. Step 5: Solve for x
    x = 14,280,352,057.26/136,311.88
  6. Step 6: Final answer
    x = 104,762.34

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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.