Home / 76,127.55-114,188.58-19,967.21

Finding the Fourth Proportional to 76,127.55, 114,188.58 and 19,967.21

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Solution

The fourth proportional to 76,127.55, 114,188.58 and 19,967.21 is: 29,950.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,127.55 : 114,188.58 = 19,967.21 : x
  2. Step 2: Convert to fraction form
    76,127.55/114,188.58 = 19,967.21/x
  3. Step 3: Cross multiply
    76,127.55x = 114,188.58 × 19,967.21
  4. Step 4: Simplify right side
    76,127.55x = 2,280,026,785.52
  5. Step 5: Solve for x
    x = 2,280,026,785.52/76,127.55
  6. Step 6: Final answer
    x = 29,950.09

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1.5x scale

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.