Home / 121,255.62-181,798.80-53,751.06

Finding the Fourth Proportional to 121,255.62, 181,798.80 and 53,751.06

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Solution

The fourth proportional to 121,255.62, 181,798.80 and 53,751.06 is: 80,589.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,255.62 : 181,798.80 = 53,751.06 : x
  2. Step 2: Convert to fraction form
    121,255.62/181,798.80 = 53,751.06/x
  3. Step 3: Cross multiply
    121,255.62x = 181,798.80 × 53,751.06
  4. Step 4: Simplify right side
    121,255.62x = 9,771,878,206.73
  5. Step 5: Solve for x
    x = 9,771,878,206.73/121,255.62
  6. Step 6: Final answer
    x = 80,589.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.