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Finding the Fourth Proportional to 159,430.44, 220,029.53 and 119,074.13

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Solution

The fourth proportional to 159,430.44, 220,029.53 and 119,074.13 is: 164,333.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,430.44 : 220,029.53 = 119,074.13 : x
  2. Step 2: Convert to fraction form
    159,430.44/220,029.53 = 119,074.13/x
  3. Step 3: Cross multiply
    159,430.44x = 220,029.53 × 119,074.13
  4. Step 4: Simplify right side
    159,430.44x = 26,199,824,859.06
  5. Step 5: Solve for x
    x = 26,199,824,859.06/159,430.44
  6. Step 6: Final answer
    x = 164,333.89

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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.