Home / 126,579.51-174,675.02-69,991.83

Finding the Fourth Proportional to 126,579.51, 174,675.02 and 69,991.83

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Solution

The fourth proportional to 126,579.51, 174,675.02 and 69,991.83 is: 96,586.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,579.51 : 174,675.02 = 69,991.83 : x
  2. Step 2: Convert to fraction form
    126,579.51/174,675.02 = 69,991.83/x
  3. Step 3: Cross multiply
    126,579.51x = 174,675.02 × 69,991.83
  4. Step 4: Simplify right side
    126,579.51x = 12,225,823,955.13
  5. Step 5: Solve for x
    x = 12,225,823,955.13/126,579.51
  6. Step 6: Final answer
    x = 96,586.12

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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.