Home / 145,118.99-217,679.70-39,943.73

Finding the Fourth Proportional to 145,118.99, 217,679.70 and 39,943.73

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Solution

The fourth proportional to 145,118.99, 217,679.70 and 39,943.73 is: 59,915.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,118.99 : 217,679.70 = 39,943.73 : x
  2. Step 2: Convert to fraction form
    145,118.99/217,679.70 = 39,943.73/x
  3. Step 3: Cross multiply
    145,118.99x = 217,679.70 × 39,943.73
  4. Step 4: Simplify right side
    145,118.99x = 8,694,939,857.27
  5. Step 5: Solve for x
    x = 8,694,939,857.27/145,118.99
  6. Step 6: Final answer
    x = 59,915.93

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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.