Home / 210,589.28-290,608.68-118,707.92

Finding the Fourth Proportional to 210,589.28, 290,608.68 and 118,707.92

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Solution

The fourth proportional to 210,589.28, 290,608.68 and 118,707.92 is: 163,814.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,589.28 : 290,608.68 = 118,707.92 : x
  2. Step 2: Convert to fraction form
    210,589.28/290,608.68 = 118,707.92/x
  3. Step 3: Cross multiply
    210,589.28x = 290,608.68 × 118,707.92
  4. Step 4: Simplify right side
    210,589.28x = 34,497,551,936.75
  5. Step 5: Solve for x
    x = 34,497,551,936.75/210,589.28
  6. Step 6: Final answer
    x = 163,814.38

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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.