Home / 157,261.57-235,537.47-72,844.38

Finding the Fourth Proportional to 157,261.57, 235,537.47 and 72,844.38

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Solution

The fourth proportional to 157,261.57, 235,537.47 and 72,844.38 is: 109,102.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,261.57 : 235,537.47 = 72,844.38 : x
  2. Step 2: Convert to fraction form
    157,261.57/235,537.47 = 72,844.38/x
  3. Step 3: Cross multiply
    157,261.57x = 235,537.47 × 72,844.38
  4. Step 4: Simplify right side
    157,261.57x = 17,157,580,968.92
  5. Step 5: Solve for x
    x = 17,157,580,968.92/157,261.57
  6. Step 6: Final answer
    x = 109,102.19

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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.