Home / 156,979.13-235,389.31-51,763.37

Finding the Fourth Proportional to 156,979.13, 235,389.31 and 51,763.37

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Solution

The fourth proportional to 156,979.13, 235,389.31 and 51,763.37 is: 77,618.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,979.13 : 235,389.31 = 51,763.37 : x
  2. Step 2: Convert to fraction form
    156,979.13/235,389.31 = 51,763.37/x
  3. Step 3: Cross multiply
    156,979.13x = 235,389.31 × 51,763.37
  4. Step 4: Simplify right side
    156,979.13x = 12,184,543,947.57
  5. Step 5: Solve for x
    x = 12,184,543,947.57/156,979.13
  6. Step 6: Final answer
    x = 77,618.88

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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.