Home / 157,342.20-235,991.70-52,150.20

Finding the Fourth Proportional to 157,342.20, 235,991.70 and 52,150.20

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Solution

The fourth proportional to 157,342.20, 235,991.70 and 52,150.20 is: 78,218.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,342.20 : 235,991.70 = 52,150.20 : x
  2. Step 2: Convert to fraction form
    157,342.20/235,991.70 = 52,150.20/x
  3. Step 3: Cross multiply
    157,342.20x = 235,991.70 × 52,150.20
  4. Step 4: Simplify right side
    157,342.20x = 12,307,014,353.34
  5. Step 5: Solve for x
    x = 12,307,014,353.34/157,342.20
  6. Step 6: Final answer
    x = 78,218.14

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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.