Home / 119,275.43-164,610.59-65,570.85

Finding the Fourth Proportional to 119,275.43, 164,610.59 and 65,570.85

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Solution

The fourth proportional to 119,275.43, 164,610.59 and 65,570.85 is: 90,493.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,275.43 : 164,610.59 = 65,570.85 : x
  2. Step 2: Convert to fraction form
    119,275.43/164,610.59 = 65,570.85/x
  3. Step 3: Cross multiply
    119,275.43x = 164,610.59 × 65,570.85
  4. Step 4: Simplify right side
    119,275.43x = 10,793,655,977.45
  5. Step 5: Solve for x
    x = 10,793,655,977.45/119,275.43
  6. Step 6: Final answer
    x = 90,493.54

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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.