Home / 109,307.63-164,009.09-38,281.22

Finding the Fourth Proportional to 109,307.63, 164,009.09 and 38,281.22

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Solution

The fourth proportional to 109,307.63, 164,009.09 and 38,281.22 is: 57,438.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,307.63 : 164,009.09 = 38,281.22 : x
  2. Step 2: Convert to fraction form
    109,307.63/164,009.09 = 38,281.22/x
  3. Step 3: Cross multiply
    109,307.63x = 164,009.09 × 38,281.22
  4. Step 4: Simplify right side
    109,307.63x = 6,278,467,946.98
  5. Step 5: Solve for x
    x = 6,278,467,946.98/109,307.63
  6. Step 6: Final answer
    x = 57,438.52

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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.