Home / 126,369.09-174,387.02-69,779.25

Finding the Fourth Proportional to 126,369.09, 174,387.02 and 69,779.25

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Solution

The fourth proportional to 126,369.09, 174,387.02 and 69,779.25 is: 96,294.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,369.09 : 174,387.02 = 69,779.25 : x
  2. Step 2: Convert to fraction form
    126,369.09/174,387.02 = 69,779.25/x
  3. Step 3: Cross multiply
    126,369.09x = 174,387.02 × 69,779.25
  4. Step 4: Simplify right side
    126,369.09x = 12,168,595,116.44
  5. Step 5: Solve for x
    x = 12,168,595,116.44/126,369.09
  6. Step 6: Final answer
    x = 96,294.08

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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.