Home / 159,430.69-220,029.87-119,074.38

Finding the Fourth Proportional to 159,430.69, 220,029.87 and 119,074.38

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Solution

The fourth proportional to 159,430.69, 220,029.87 and 119,074.38 is: 164,334.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,430.69 : 220,029.87 = 119,074.38 : x
  2. Step 2: Convert to fraction form
    159,430.69/220,029.87 = 119,074.38/x
  3. Step 3: Cross multiply
    159,430.69x = 220,029.87 × 119,074.38
  4. Step 4: Simplify right side
    159,430.69x = 26,199,920,351.73
  5. Step 5: Solve for x
    x = 26,199,920,351.73/159,430.69
  6. Step 6: Final answer
    x = 164,334.23

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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.