Home / 185,572.80-278,237.70-73,185.30

Finding the Fourth Proportional to 185,572.80, 278,237.70 and 73,185.30

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Solution

The fourth proportional to 185,572.80, 278,237.70 and 73,185.30 is: 109,730.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,572.80 : 278,237.70 = 73,185.30 : x
  2. Step 2: Convert to fraction form
    185,572.80/278,237.70 = 73,185.30/x
  3. Step 3: Cross multiply
    185,572.80x = 278,237.70 × 73,185.30
  4. Step 4: Simplify right side
    185,572.80x = 20,362,909,545.81
  5. Step 5: Solve for x
    x = 20,362,909,545.81/185,572.80
  6. Step 6: Final answer
    x = 109,730.03

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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.