Home / 156,948.20-235,422.29-51,775.37

Finding the Fourth Proportional to 156,948.20, 235,422.29 and 51,775.37

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Solution

The fourth proportional to 156,948.20, 235,422.29 and 51,775.37 is: 77,663.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,948.20 : 235,422.29 = 51,775.37 : x
  2. Step 2: Convert to fraction form
    156,948.20/235,422.29 = 51,775.37/x
  3. Step 3: Cross multiply
    156,948.20x = 235,422.29 × 51,775.37
  4. Step 4: Simplify right side
    156,948.20x = 12,189,074,735.01
  5. Step 5: Solve for x
    x = 12,189,074,735.01/156,948.20
  6. Step 6: Final answer
    x = 77,663.05

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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.