Home / 190,480.38-262,767.78-121,602.04

Finding the Fourth Proportional to 190,480.38, 262,767.78 and 121,602.04

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Solution

The fourth proportional to 190,480.38, 262,767.78 and 121,602.04 is: 167,750.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,480.38 : 262,767.78 = 121,602.04 : x
  2. Step 2: Convert to fraction form
    190,480.38/262,767.78 = 121,602.04/x
  3. Step 3: Cross multiply
    190,480.38x = 262,767.78 × 121,602.04
  4. Step 4: Simplify right side
    190,480.38x = 31,953,098,094.27
  5. Step 5: Solve for x
    x = 31,953,098,094.27/190,480.38
  6. Step 6: Final answer
    x = 167,750.08

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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.