Home / 185,637.80-278,488.29-73,259.21

Finding the Fourth Proportional to 185,637.80, 278,488.29 and 73,259.21

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Solution

The fourth proportional to 185,637.80, 278,488.29 and 73,259.21 is: 109,901.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,637.80 : 278,488.29 = 73,259.21 : x
  2. Step 2: Convert to fraction form
    185,637.80/278,488.29 = 73,259.21/x
  3. Step 3: Cross multiply
    185,637.80x = 278,488.29 × 73,259.21
  4. Step 4: Simplify right side
    185,637.80x = 20,401,832,119.65
  5. Step 5: Solve for x
    x = 20,401,832,119.65/185,637.80
  6. Step 6: Final answer
    x = 109,901.28

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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.