Home / 99,610.40-149,415.28-31,227.16

Finding the Fourth Proportional to 99,610.40, 149,415.28 and 31,227.16

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Solution

The fourth proportional to 99,610.40, 149,415.28 and 31,227.16 is: 46,840.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,610.40 : 149,415.28 = 31,227.16 : x
  2. Step 2: Convert to fraction form
    99,610.40/149,415.28 = 31,227.16/x
  3. Step 3: Cross multiply
    99,610.40x = 149,415.28 × 31,227.16
  4. Step 4: Simplify right side
    99,610.40x = 4,665,814,855.00
  5. Step 5: Solve for x
    x = 4,665,814,855.00/99,610.40
  6. Step 6: Final answer
    x = 46,840.64

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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.