Home / 156,735.54-235,132.47-51,558.66

Finding the Fourth Proportional to 156,735.54, 235,132.47 and 51,558.66

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Solution

The fourth proportional to 156,735.54, 235,132.47 and 51,558.66 is: 77,347.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,735.54 : 235,132.47 = 51,558.66 : x
  2. Step 2: Convert to fraction form
    156,735.54/235,132.47 = 51,558.66/x
  3. Step 3: Cross multiply
    156,735.54x = 235,132.47 × 51,558.66
  4. Step 4: Simplify right side
    156,735.54x = 12,123,115,075.69
  5. Step 5: Solve for x
    x = 12,123,115,075.69/156,735.54
  6. Step 6: Final answer
    x = 77,347.58

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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.