Home / 157,346.28-235,968.38-52,137

Finding the Fourth Proportional to 157,346.28, 235,968.38 and 52,137

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Solution

The fourth proportional to 157,346.28, 235,968.38 and 52,137 is: 78,188.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,346.28 : 235,968.38 = 52,137 : x
  2. Step 2: Convert to fraction form
    157,346.28/235,968.38 = 52,137/x
  3. Step 3: Cross multiply
    157,346.28x = 235,968.38 × 52,137
  4. Step 4: Simplify right side
    157,346.28x = 12,302,683,428.06
  5. Step 5: Solve for x
    x = 12,302,683,428.06/157,346.28
  6. Step 6: Final answer
    x = 78,188.59

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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.