Home / 156,947.65-235,335.07-51,712.45

Finding the Fourth Proportional to 156,947.65, 235,335.07 and 51,712.45

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Solution

The fourth proportional to 156,947.65, 235,335.07 and 51,712.45 is: 77,540.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,947.65 : 235,335.07 = 51,712.45 : x
  2. Step 2: Convert to fraction form
    156,947.65/235,335.07 = 51,712.45/x
  3. Step 3: Cross multiply
    156,947.65x = 235,335.07 × 51,712.45
  4. Step 4: Simplify right side
    156,947.65x = 12,169,753,040.62
  5. Step 5: Solve for x
    x = 12,169,753,040.62/156,947.65
  6. Step 6: Final answer
    x = 77,540.21

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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.