Home / 157,829.12-236,741.28-47,021.12

Finding the Fourth Proportional to 157,829.12, 236,741.28 and 47,021.12

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Solution

The fourth proportional to 157,829.12, 236,741.28 and 47,021.12 is: 70,530.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,829.12 : 236,741.28 = 47,021.12 : x
  2. Step 2: Convert to fraction form
    157,829.12/236,741.28 = 47,021.12/x
  3. Step 3: Cross multiply
    157,829.12x = 236,741.28 × 47,021.12
  4. Step 4: Simplify right side
    157,829.12x = 11,131,840,135.83
  5. Step 5: Solve for x
    x = 11,131,840,135.83/157,829.12
  6. Step 6: Final answer
    x = 70,530.96

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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.