Home / 126,516.39-174,592.78-72,800.33

Finding the Fourth Proportional to 126,516.39, 174,592.78 and 72,800.33

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Solution

The fourth proportional to 126,516.39, 174,592.78 and 72,800.33 is: 100,464.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,516.39 : 174,592.78 = 72,800.33 : x
  2. Step 2: Convert to fraction form
    126,516.39/174,592.78 = 72,800.33/x
  3. Step 3: Cross multiply
    126,516.39x = 174,592.78 × 72,800.33
  4. Step 4: Simplify right side
    126,516.39x = 12,710,411,354.15
  5. Step 5: Solve for x
    x = 12,710,411,354.15/126,516.39
  6. Step 6: Final answer
    x = 100,464.55

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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.