Home / 126,678.84-174,814.09-69,317.92

Finding the Fourth Proportional to 126,678.84, 174,814.09 and 69,317.92

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Solution

The fourth proportional to 126,678.84, 174,814.09 and 69,317.92 is: 95,657.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,678.84 : 174,814.09 = 69,317.92 : x
  2. Step 2: Convert to fraction form
    126,678.84/174,814.09 = 69,317.92/x
  3. Step 3: Cross multiply
    126,678.84x = 174,814.09 × 69,317.92
  4. Step 4: Simplify right side
    126,678.84x = 12,117,749,105.49
  5. Step 5: Solve for x
    x = 12,117,749,105.49/126,678.84
  6. Step 6: Final answer
    x = 95,657.25

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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.