Home / 147,854.13-204,038.69-80,786.13

Finding the Fourth Proportional to 147,854.13, 204,038.69 and 80,786.13

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Solution

The fourth proportional to 147,854.13, 204,038.69 and 80,786.13 is: 111,484.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,854.13 : 204,038.69 = 80,786.13 : x
  2. Step 2: Convert to fraction form
    147,854.13/204,038.69 = 80,786.13/x
  3. Step 3: Cross multiply
    147,854.13x = 204,038.69 × 80,786.13
  4. Step 4: Simplify right side
    147,854.13x = 16,483,496,135.37
  5. Step 5: Solve for x
    x = 16,483,496,135.37/147,854.13
  6. Step 6: Final answer
    x = 111,484.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.