Home / 181,400.28-250,068.68-126,782.88

Finding the Fourth Proportional to 181,400.28, 250,068.68 and 126,782.88

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Solution

The fourth proportional to 181,400.28, 250,068.68 and 126,782.88 is: 174,776.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,400.28 : 250,068.68 = 126,782.88 : x
  2. Step 2: Convert to fraction form
    181,400.28/250,068.68 = 126,782.88/x
  3. Step 3: Cross multiply
    181,400.28x = 250,068.68 × 126,782.88
  4. Step 4: Simplify right side
    181,400.28x = 31,704,427,448.20
  5. Step 5: Solve for x
    x = 31,704,427,448.20/181,400.28
  6. Step 6: Final answer
    x = 174,776.07

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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.