Home / 163,967.21-245,743.60-87,876.66

Finding the Fourth Proportional to 163,967.21, 245,743.60 and 87,876.66

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Solution

The fourth proportional to 163,967.21, 245,743.60 and 87,876.66 is: 131,703.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,967.21 : 245,743.60 = 87,876.66 : x
  2. Step 2: Convert to fraction form
    163,967.21/245,743.60 = 87,876.66/x
  3. Step 3: Cross multiply
    163,967.21x = 245,743.60 × 87,876.66
  4. Step 4: Simplify right side
    163,967.21x = 21,595,126,923.20
  5. Step 5: Solve for x
    x = 21,595,126,923.20/163,967.21
  6. Step 6: Final answer
    x = 131,703.93

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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.