Home / 132,641.72-198,976.80-56,748.14

Finding the Fourth Proportional to 132,641.72, 198,976.80 and 56,748.14

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Solution

The fourth proportional to 132,641.72, 198,976.80 and 56,748.14 is: 85,128.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,641.72 : 198,976.80 = 56,748.14 : x
  2. Step 2: Convert to fraction form
    132,641.72/198,976.80 = 56,748.14/x
  3. Step 3: Cross multiply
    132,641.72x = 198,976.80 × 56,748.14
  4. Step 4: Simplify right side
    132,641.72x = 11,291,563,303.15
  5. Step 5: Solve for x
    x = 11,291,563,303.15/132,641.72
  6. Step 6: Final answer
    x = 85,128.29

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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.