Home / 156,979.83-235,467.83-38,652.20

Finding the Fourth Proportional to 156,979.83, 235,467.83 and 38,652.20

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Solution

The fourth proportional to 156,979.83, 235,467.83 and 38,652.20 is: 57,977.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,979.83 : 235,467.83 = 38,652.20 : x
  2. Step 2: Convert to fraction form
    156,979.83/235,467.83 = 38,652.20/x
  3. Step 3: Cross multiply
    156,979.83x = 235,467.83 × 38,652.20
  4. Step 4: Simplify right side
    156,979.83x = 9,101,348,288.13
  5. Step 5: Solve for x
    x = 9,101,348,288.13/156,979.83
  6. Step 6: Final answer
    x = 57,977.82

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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.