Home / 109,044.19-163,499.30-42,406.63

Finding the Fourth Proportional to 109,044.19, 163,499.30 and 42,406.63

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Solution

The fourth proportional to 109,044.19, 163,499.30 and 42,406.63 is: 63,583.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,044.19 : 163,499.30 = 42,406.63 : x
  2. Step 2: Convert to fraction form
    109,044.19/163,499.30 = 42,406.63/x
  3. Step 3: Cross multiply
    109,044.19x = 163,499.30 × 42,406.63
  4. Step 4: Simplify right side
    109,044.19x = 6,933,453,699.58
  5. Step 5: Solve for x
    x = 6,933,453,699.58/109,044.19
  6. Step 6: Final answer
    x = 63,583.89

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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.