Home / 157,428.42-236,166.09-50,777.31

Finding the Fourth Proportional to 157,428.42, 236,166.09 and 50,777.31

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Solution

The fourth proportional to 157,428.42, 236,166.09 and 50,777.31 is: 76,173.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,428.42 : 236,166.09 = 50,777.31 : x
  2. Step 2: Convert to fraction form
    157,428.42/236,166.09 = 50,777.31/x
  3. Step 3: Cross multiply
    157,428.42x = 236,166.09 × 50,777.31
  4. Step 4: Simplify right side
    157,428.42x = 11,991,878,130.19
  5. Step 5: Solve for x
    x = 11,991,878,130.19/157,428.42
  6. Step 6: Final answer
    x = 76,173.53

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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.