Home / 145,178.14-217,767.22-39,997.12

Finding the Fourth Proportional to 145,178.14, 217,767.22 and 39,997.12

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Solution

The fourth proportional to 145,178.14, 217,767.22 and 39,997.12 is: 59,995.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,178.14 : 217,767.22 = 39,997.12 : x
  2. Step 2: Convert to fraction form
    145,178.14/217,767.22 = 39,997.12/x
  3. Step 3: Cross multiply
    145,178.14x = 217,767.22 × 39,997.12
  4. Step 4: Simplify right side
    145,178.14x = 8,710,061,630.41
  5. Step 5: Solve for x
    x = 8,710,061,630.41/145,178.14
  6. Step 6: Final answer
    x = 59,995.68

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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.