Home / 126,779.63-174,955.25-69,417.91

Finding the Fourth Proportional to 126,779.63, 174,955.25 and 69,417.91

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Solution

The fourth proportional to 126,779.63, 174,955.25 and 69,417.91 is: 95,796.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,779.63 : 174,955.25 = 69,417.91 : x
  2. Step 2: Convert to fraction form
    126,779.63/174,955.25 = 69,417.91/x
  3. Step 3: Cross multiply
    126,779.63x = 174,955.25 × 69,417.91
  4. Step 4: Simplify right side
    126,779.63x = 12,145,026,576.66
  5. Step 5: Solve for x
    x = 12,145,026,576.66/126,779.63
  6. Step 6: Final answer
    x = 95,796.36

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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.