Home / 99,415.43-149,123.15-36,240.29

Finding the Fourth Proportional to 99,415.43, 149,123.15 and 36,240.29

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Solution

The fourth proportional to 99,415.43, 149,123.15 and 36,240.29 is: 54,360.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,415.43 : 149,123.15 = 36,240.29 : x
  2. Step 2: Convert to fraction form
    99,415.43/149,123.15 = 36,240.29/x
  3. Step 3: Cross multiply
    99,415.43x = 149,123.15 × 36,240.29
  4. Step 4: Simplify right side
    99,415.43x = 5,404,266,020.51
  5. Step 5: Solve for x
    x = 5,404,266,020.51/99,415.43
  6. Step 6: Final answer
    x = 54,360.44

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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.