Home / 185,581.47-278,369.77-45,341.31

Finding the Fourth Proportional to 185,581.47, 278,369.77 and 45,341.31

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Solution

The fourth proportional to 185,581.47, 278,369.77 and 45,341.31 is: 68,011.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,581.47 : 278,369.77 = 45,341.31 : x
  2. Step 2: Convert to fraction form
    185,581.47/278,369.77 = 45,341.31/x
  3. Step 3: Cross multiply
    185,581.47x = 278,369.77 × 45,341.31
  4. Step 4: Simplify right side
    185,581.47x = 12,621,650,036.20
  5. Step 5: Solve for x
    x = 12,621,650,036.20/185,581.47
  6. Step 6: Final answer
    x = 68,011.37

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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.