Home / 126,358.56-174,332.83-83,359.40

Finding the Fourth Proportional to 126,358.56, 174,332.83 and 83,359.40

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Solution

The fourth proportional to 126,358.56, 174,332.83 and 83,359.40 is: 115,008.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,358.56 : 174,332.83 = 83,359.40 : x
  2. Step 2: Convert to fraction form
    126,358.56/174,332.83 = 83,359.40/x
  3. Step 3: Cross multiply
    126,358.56x = 174,332.83 × 83,359.40
  4. Step 4: Simplify right side
    126,358.56x = 14,532,280,109.10
  5. Step 5: Solve for x
    x = 14,532,280,109.10/126,358.56
  6. Step 6: Final answer
    x = 115,008.28

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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.