Home / 131,799.70-181,886.64-75,216.34

Finding the Fourth Proportional to 131,799.70, 181,886.64 and 75,216.34

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Solution

The fourth proportional to 131,799.70, 181,886.64 and 75,216.34 is: 103,800.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,799.70 : 181,886.64 = 75,216.34 : x
  2. Step 2: Convert to fraction form
    131,799.70/181,886.64 = 75,216.34/x
  3. Step 3: Cross multiply
    131,799.70x = 181,886.64 × 75,216.34
  4. Step 4: Simplify right side
    131,799.70x = 13,680,847,355.70
  5. Step 5: Solve for x
    x = 13,680,847,355.70/131,799.70
  6. Step 6: Final answer
    x = 103,800.29

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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.