Home / 147,858.14-204,044.20-80,790.14

Finding the Fourth Proportional to 147,858.14, 204,044.20 and 80,790.14

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Solution

The fourth proportional to 147,858.14, 204,044.20 and 80,790.14 is: 111,490.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,858.14 : 204,044.20 = 80,790.14 : x
  2. Step 2: Convert to fraction form
    147,858.14/204,044.20 = 80,790.14/x
  3. Step 3: Cross multiply
    147,858.14x = 204,044.20 × 80,790.14
  4. Step 4: Simplify right side
    147,858.14x = 16,484,759,484.19
  5. Step 5: Solve for x
    x = 16,484,759,484.19/147,858.14
  6. Step 6: Final answer
    x = 111,490.38

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1.5x scale

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.