Home / 126,779.49-174,958.38-69,421.23

Finding the Fourth Proportional to 126,779.49, 174,958.38 and 69,421.23

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Solution

The fourth proportional to 126,779.49, 174,958.38 and 69,421.23 is: 95,802.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,779.49 : 174,958.38 = 69,421.23 : x
  2. Step 2: Convert to fraction form
    126,779.49/174,958.38 = 69,421.23/x
  3. Step 3: Cross multiply
    126,779.49x = 174,958.38 × 69,421.23
  4. Step 4: Simplify right side
    126,779.49x = 12,145,825,938.41
  5. Step 5: Solve for x
    x = 12,145,825,938.41/126,779.49
  6. Step 6: Final answer
    x = 95,802.77

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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.