Home / 126,585.55-174,628.57-90,295.01

Finding the Fourth Proportional to 126,585.55, 174,628.57 and 90,295.01

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Solution

The fourth proportional to 126,585.55, 174,628.57 and 90,295.01 is: 124,564.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,585.55 : 174,628.57 = 90,295.01 : x
  2. Step 2: Convert to fraction form
    126,585.55/174,628.57 = 90,295.01/x
  3. Step 3: Cross multiply
    126,585.55x = 174,628.57 × 90,295.01
  4. Step 4: Simplify right side
    126,585.55x = 15,768,088,474.44
  5. Step 5: Solve for x
    x = 15,768,088,474.44/126,585.55
  6. Step 6: Final answer
    x = 124,564.68

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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.