Home / 156,748.90-235,139.79-51,576.10

Finding the Fourth Proportional to 156,748.90, 235,139.79 and 51,576.10

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Solution

The fourth proportional to 156,748.90, 235,139.79 and 51,576.10 is: 77,369.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,748.90 : 235,139.79 = 51,576.10 : x
  2. Step 2: Convert to fraction form
    156,748.90/235,139.79 = 51,576.10/x
  3. Step 3: Cross multiply
    156,748.90x = 235,139.79 × 51,576.10
  4. Step 4: Simplify right side
    156,748.90x = 12,127,593,323.02
  5. Step 5: Solve for x
    x = 12,127,593,323.02/156,748.90
  6. Step 6: Final answer
    x = 77,369.56

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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.