Home / 156,979.65-235,469.48-51,784.95

Finding the Fourth Proportional to 156,979.65, 235,469.48 and 51,784.95

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Solution

The fourth proportional to 156,979.65, 235,469.48 and 51,784.95 is: 77,677.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,979.65 : 235,469.48 = 51,784.95 : x
  2. Step 2: Convert to fraction form
    156,979.65/235,469.48 = 51,784.95/x
  3. Step 3: Cross multiply
    156,979.65x = 235,469.48 × 51,784.95
  4. Step 4: Simplify right side
    156,979.65x = 12,193,774,989.40
  5. Step 5: Solve for x
    x = 12,193,774,989.40/156,979.65
  6. Step 6: Final answer
    x = 77,677.43

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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.