Home / 116,004.80-174,007.20-102,785.60

Finding the Fourth Proportional to 116,004.80, 174,007.20 and 102,785.60

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Solution

The fourth proportional to 116,004.80, 174,007.20 and 102,785.60 is: 154,178.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,004.80 : 174,007.20 = 102,785.60 : x
  2. Step 2: Convert to fraction form
    116,004.80/174,007.20 = 102,785.60/x
  3. Step 3: Cross multiply
    116,004.80x = 174,007.20 × 102,785.60
  4. Step 4: Simplify right side
    116,004.80x = 17,885,434,456.32
  5. Step 5: Solve for x
    x = 17,885,434,456.32/116,004.80
  6. Step 6: Final answer
    x = 154,178.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.