Home / 119,089.88-164,344.10-71,370.92

Finding the Fourth Proportional to 119,089.88, 164,344.10 and 71,370.92

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Solution

The fourth proportional to 119,089.88, 164,344.10 and 71,370.92 is: 98,491.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,089.88 : 164,344.10 = 71,370.92 : x
  2. Step 2: Convert to fraction form
    119,089.88/164,344.10 = 71,370.92/x
  3. Step 3: Cross multiply
    119,089.88x = 164,344.10 × 71,370.92
  4. Step 4: Simplify right side
    119,089.88x = 11,729,389,613.57
  5. Step 5: Solve for x
    x = 11,729,389,613.57/119,089.88
  6. Step 6: Final answer
    x = 98,491.91

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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.