Home / 156,979.08-235,466.46-38,651.40

Finding the Fourth Proportional to 156,979.08, 235,466.46 and 38,651.40

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Solution

The fourth proportional to 156,979.08, 235,466.46 and 38,651.40 is: 57,976.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,979.08 : 235,466.46 = 38,651.40 : x
  2. Step 2: Convert to fraction form
    156,979.08/235,466.46 = 38,651.40/x
  3. Step 3: Cross multiply
    156,979.08x = 235,466.46 × 38,651.40
  4. Step 4: Simplify right side
    156,979.08x = 9,101,108,332.04
  5. Step 5: Solve for x
    x = 9,101,108,332.04/156,979.08
  6. Step 6: Final answer
    x = 57,976.57

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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.