Home / 126,017.13-173,903.54-69,428.51

Finding the Fourth Proportional to 126,017.13, 173,903.54 and 69,428.51

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Solution

The fourth proportional to 126,017.13, 173,903.54 and 69,428.51 is: 95,811.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,017.13 : 173,903.54 = 69,428.51 : x
  2. Step 2: Convert to fraction form
    126,017.13/173,903.54 = 69,428.51/x
  3. Step 3: Cross multiply
    126,017.13x = 173,903.54 × 69,428.51
  4. Step 4: Simplify right side
    126,017.13x = 12,073,862,449.27
  5. Step 5: Solve for x
    x = 12,073,862,449.27/126,017.13
  6. Step 6: Final answer
    x = 95,811.28

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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.