Home / 109,875.20-164,780.40-43,293.20

Finding the Fourth Proportional to 109,875.20, 164,780.40 and 43,293.20

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Solution

The fourth proportional to 109,875.20, 164,780.40 and 43,293.20 is: 64,927.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,875.20 : 164,780.40 = 43,293.20 : x
  2. Step 2: Convert to fraction form
    109,875.20/164,780.40 = 43,293.20/x
  3. Step 3: Cross multiply
    109,875.20x = 164,780.40 × 43,293.20
  4. Step 4: Simplify right side
    109,875.20x = 7,133,870,813.28
  5. Step 5: Solve for x
    x = 7,133,870,813.28/109,875.20
  6. Step 6: Final answer
    x = 64,927.03

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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.