Home / 156,748.65-235,122.98-51,571.05

Finding the Fourth Proportional to 156,748.65, 235,122.98 and 51,571.05

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Solution

The fourth proportional to 156,748.65, 235,122.98 and 51,571.05 is: 77,356.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,748.65 : 235,122.98 = 51,571.05 : x
  2. Step 2: Convert to fraction form
    156,748.65/235,122.98 = 51,571.05/x
  3. Step 3: Cross multiply
    156,748.65x = 235,122.98 × 51,571.05
  4. Step 4: Simplify right side
    156,748.65x = 12,125,538,699.87
  5. Step 5: Solve for x
    x = 12,125,538,699.87/156,748.65
  6. Step 6: Final answer
    x = 77,356.58

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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.