Home / 165,271.48-228,068.22-89,818.36

Finding the Fourth Proportional to 165,271.48, 228,068.22 and 89,818.36

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Solution

The fourth proportional to 165,271.48, 228,068.22 and 89,818.36 is: 123,945.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,271.48 : 228,068.22 = 89,818.36 : x
  2. Step 2: Convert to fraction form
    165,271.48/228,068.22 = 89,818.36/x
  3. Step 3: Cross multiply
    165,271.48x = 228,068.22 × 89,818.36
  4. Step 4: Simplify right side
    165,271.48x = 20,484,713,488.52
  5. Step 5: Solve for x
    x = 20,484,713,488.52/165,271.48
  6. Step 6: Final answer
    x = 123,945.85

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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.