Home / 156,926.70-235,390.05-51,720.30

Finding the Fourth Proportional to 156,926.70, 235,390.05 and 51,720.30

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Solution

The fourth proportional to 156,926.70, 235,390.05 and 51,720.30 is: 77,580.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,926.70 : 235,390.05 = 51,720.30 : x
  2. Step 2: Convert to fraction form
    156,926.70/235,390.05 = 51,720.30/x
  3. Step 3: Cross multiply
    156,926.70x = 235,390.05 × 51,720.30
  4. Step 4: Simplify right side
    156,926.70x = 12,174,444,003.02
  5. Step 5: Solve for x
    x = 12,174,444,003.02/156,926.70
  6. Step 6: Final answer
    x = 77,580.45

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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.