Home / 145,011.66-217,517.08-39,830.73

Finding the Fourth Proportional to 145,011.66, 217,517.08 and 39,830.73

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Solution

The fourth proportional to 145,011.66, 217,517.08 and 39,830.73 is: 59,745.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,011.66 : 217,517.08 = 39,830.73 : x
  2. Step 2: Convert to fraction form
    145,011.66/217,517.08 = 39,830.73/x
  3. Step 3: Cross multiply
    145,011.66x = 217,517.08 × 39,830.73
  4. Step 4: Simplify right side
    145,011.66x = 8,663,862,797.13
  5. Step 5: Solve for x
    x = 8,663,862,797.13/145,011.66
  6. Step 6: Final answer
    x = 59,745.98

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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.