Home / 104,177.83-143,776.05-75,130.19

Finding the Fourth Proportional to 104,177.83, 143,776.05 and 75,130.19

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Solution

The fourth proportional to 104,177.83, 143,776.05 and 75,130.19 is: 103,687.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,177.83 : 143,776.05 = 75,130.19 : x
  2. Step 2: Convert to fraction form
    104,177.83/143,776.05 = 75,130.19/x
  3. Step 3: Cross multiply
    104,177.83x = 143,776.05 × 75,130.19
  4. Step 4: Simplify right side
    104,177.83x = 10,801,921,953.95
  5. Step 5: Solve for x
    x = 10,801,921,953.95/104,177.83
  6. Step 6: Final answer
    x = 103,687.34

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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.