Home / 145,550.48-200,848.92-81,876.02

Finding the Fourth Proportional to 145,550.48, 200,848.92 and 81,876.02

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Solution

The fourth proportional to 145,550.48, 200,848.92 and 81,876.02 is: 112,982.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,550.48 : 200,848.92 = 81,876.02 : x
  2. Step 2: Convert to fraction form
    145,550.48/200,848.92 = 81,876.02/x
  3. Step 3: Cross multiply
    145,550.48x = 200,848.92 × 81,876.02
  4. Step 4: Simplify right side
    145,550.48x = 16,444,710,190.90
  5. Step 5: Solve for x
    x = 16,444,710,190.90/145,550.48
  6. Step 6: Final answer
    x = 112,982.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.