Home / 97,875.86-146,789.79-31,302.20

Finding the Fourth Proportional to 97,875.86, 146,789.79 and 31,302.20

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Solution

The fourth proportional to 97,875.86, 146,789.79 and 31,302.20 is: 46,945.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,875.86 : 146,789.79 = 31,302.20 : x
  2. Step 2: Convert to fraction form
    97,875.86/146,789.79 = 31,302.20/x
  3. Step 3: Cross multiply
    97,875.86x = 146,789.79 × 31,302.20
  4. Step 4: Simplify right side
    97,875.86x = 4,594,842,630.59
  5. Step 5: Solve for x
    x = 4,594,842,630.59/97,875.86
  6. Step 6: Final answer
    x = 46,945.62

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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.