Home / 156,723.90-235,123.65-51,537.30

Finding the Fourth Proportional to 156,723.90, 235,123.65 and 51,537.30

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Solution

The fourth proportional to 156,723.90, 235,123.65 and 51,537.30 is: 77,318.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,723.90 : 235,123.65 = 51,537.30 : x
  2. Step 2: Convert to fraction form
    156,723.90/235,123.65 = 51,537.30/x
  3. Step 3: Cross multiply
    156,723.90x = 235,123.65 × 51,537.30
  4. Step 4: Simplify right side
    156,723.90x = 12,117,638,087.15
  5. Step 5: Solve for x
    x = 12,117,638,087.15/156,723.90
  6. Step 6: Final answer
    x = 77,318.38

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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.