Home / 104,939.01-144,818.91-57,195.45

Finding the Fourth Proportional to 104,939.01, 144,818.91 and 57,195.45

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Solution

The fourth proportional to 104,939.01, 144,818.91 and 57,195.45 is: 78,931.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,939.01 : 144,818.91 = 57,195.45 : x
  2. Step 2: Convert to fraction form
    104,939.01/144,818.91 = 57,195.45/x
  3. Step 3: Cross multiply
    104,939.01x = 144,818.91 × 57,195.45
  4. Step 4: Simplify right side
    104,939.01x = 8,282,982,725.96
  5. Step 5: Solve for x
    x = 8,282,982,725.96/104,939.01
  6. Step 6: Final answer
    x = 78,931.40

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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.