Home / 315,190.08-435,036.96-181,131.84

Finding the Fourth Proportional to 315,190.08, 435,036.96 and 181,131.84

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Solution

The fourth proportional to 315,190.08, 435,036.96 and 181,131.84 is: 250,004.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,190.08 : 435,036.96 = 181,131.84 : x
  2. Step 2: Convert to fraction form
    315,190.08/435,036.96 = 181,131.84/x
  3. Step 3: Cross multiply
    315,190.08x = 435,036.96 × 181,131.84
  4. Step 4: Simplify right side
    315,190.08x = 78,799,045,032.81
  5. Step 5: Solve for x
    x = 78,799,045,032.81/315,190.08
  6. Step 6: Final answer
    x = 250,004.84

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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.