Home / 126,166.91-174,130.65-75,185.77

Finding the Fourth Proportional to 126,166.91, 174,130.65 and 75,185.77

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Solution

The fourth proportional to 126,166.91, 174,130.65 and 75,185.77 is: 103,768.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,166.91 : 174,130.65 = 75,185.77 : x
  2. Step 2: Convert to fraction form
    126,166.91/174,130.65 = 75,185.77/x
  3. Step 3: Cross multiply
    126,166.91x = 174,130.65 × 75,185.77
  4. Step 4: Simplify right side
    126,166.91x = 13,092,146,624.92
  5. Step 5: Solve for x
    x = 13,092,146,624.92/126,166.91
  6. Step 6: Final answer
    x = 103,768.47

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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.