Home / 117,654.08-176,434.48-42,733.36

Finding the Fourth Proportional to 117,654.08, 176,434.48 and 42,733.36

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Solution

The fourth proportional to 117,654.08, 176,434.48 and 42,733.36 is: 64,083.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,654.08 : 176,434.48 = 42,733.36 : x
  2. Step 2: Convert to fraction form
    117,654.08/176,434.48 = 42,733.36/x
  3. Step 3: Cross multiply
    117,654.08x = 176,434.48 × 42,733.36
  4. Step 4: Simplify right side
    117,654.08x = 7,539,638,150.25
  5. Step 5: Solve for x
    x = 7,539,638,150.25/117,654.08
  6. Step 6: Final answer
    x = 64,083.10

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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.