Home / 131,609.84-181,606.20-74,250.06

Finding the Fourth Proportional to 131,609.84, 181,606.20 and 74,250.06

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Solution

The fourth proportional to 131,609.84, 181,606.20 and 74,250.06 is: 102,456.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,609.84 : 181,606.20 = 74,250.06 : x
  2. Step 2: Convert to fraction form
    131,609.84/181,606.20 = 74,250.06/x
  3. Step 3: Cross multiply
    131,609.84x = 181,606.20 × 74,250.06
  4. Step 4: Simplify right side
    131,609.84x = 13,484,271,246.37
  5. Step 5: Solve for x
    x = 13,484,271,246.37/131,609.84
  6. Step 6: Final answer
    x = 102,456.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.