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Finding the Fourth Proportional to 126,119, 174,045.40 and 69,532.40

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Solution

The fourth proportional to 126,119, 174,045.40 and 69,532.40 is: 95,955.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,119 : 174,045.40 = 69,532.40 : x
  2. Step 2: Convert to fraction form
    126,119/174,045.40 = 69,532.40/x
  3. Step 3: Cross multiply
    126,119x = 174,045.40 × 69,532.40
  4. Step 4: Simplify right side
    126,119x = 12,101,794,370.96
  5. Step 5: Solve for x
    x = 12,101,794,370.96/126,119
  6. Step 6: Final answer
    x = 95,955.36

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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.