Home / 95,153.67-142,746.93-31,979.88

Finding the Fourth Proportional to 95,153.67, 142,746.93 and 31,979.88

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Solution

The fourth proportional to 95,153.67, 142,746.93 and 31,979.88 is: 47,975.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,153.67 : 142,746.93 = 31,979.88 : x
  2. Step 2: Convert to fraction form
    95,153.67/142,746.93 = 31,979.88/x
  3. Step 3: Cross multiply
    95,153.67x = 142,746.93 × 31,979.88
  4. Step 4: Simplify right side
    95,153.67x = 4,565,029,691.77
  5. Step 5: Solve for x
    x = 4,565,029,691.77/95,153.67
  6. Step 6: Final answer
    x = 47,975.34

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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.