Home / 149,475.51-223,723.62-81,904.50

Finding the Fourth Proportional to 149,475.51, 223,723.62 and 81,904.50

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Solution

The fourth proportional to 149,475.51, 223,723.62 and 81,904.50 is: 122,588.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,475.51 : 223,723.62 = 81,904.50 : x
  2. Step 2: Convert to fraction form
    149,475.51/223,723.62 = 81,904.50/x
  3. Step 3: Cross multiply
    149,475.51x = 223,723.62 × 81,904.50
  4. Step 4: Simplify right side
    149,475.51x = 18,323,971,234.29
  5. Step 5: Solve for x
    x = 18,323,971,234.29/149,475.51
  6. Step 6: Final answer
    x = 122,588.45

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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.