Home / 126,007.80-173,888.82-69,421.20

Finding the Fourth Proportional to 126,007.80, 173,888.82 and 69,421.20

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Solution

The fourth proportional to 126,007.80, 173,888.82 and 69,421.20 is: 95,800.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,007.80 : 173,888.82 = 69,421.20 : x
  2. Step 2: Convert to fraction form
    126,007.80/173,888.82 = 69,421.20/x
  3. Step 3: Cross multiply
    126,007.80x = 173,888.82 × 69,421.20
  4. Step 4: Simplify right side
    126,007.80x = 12,071,570,550.98
  5. Step 5: Solve for x
    x = 12,071,570,550.98/126,007.80
  6. Step 6: Final answer
    x = 95,800.18

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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.