Home / 152,647.11-228,786.75-56,507.51

Finding the Fourth Proportional to 152,647.11, 228,786.75 and 56,507.51

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Solution

The fourth proportional to 152,647.11, 228,786.75 and 56,507.51 is: 84,693.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,647.11 : 228,786.75 = 56,507.51 : x
  2. Step 2: Convert to fraction form
    152,647.11/228,786.75 = 56,507.51/x
  3. Step 3: Cross multiply
    152,647.11x = 228,786.75 × 56,507.51
  4. Step 4: Simplify right side
    152,647.11x = 12,928,168,419.56
  5. Step 5: Solve for x
    x = 12,928,168,419.56/152,647.11
  6. Step 6: Final answer
    x = 84,693.18

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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.