Home / 126,115.61-174,039.71-69,526.98

Finding the Fourth Proportional to 126,115.61, 174,039.71 and 69,526.98

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Solution

The fourth proportional to 126,115.61, 174,039.71 and 69,526.98 is: 95,947.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,115.61 : 174,039.71 = 69,526.98 : x
  2. Step 2: Convert to fraction form
    126,115.61/174,039.71 = 69,526.98/x
  3. Step 3: Cross multiply
    126,115.61x = 174,039.71 × 69,526.98
  4. Step 4: Simplify right side
    126,115.61x = 12,100,455,088.74
  5. Step 5: Solve for x
    x = 12,100,455,088.74/126,115.61
  6. Step 6: Final answer
    x = 95,947.33

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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.