Home / 252,746.81-348,783.89-138,028.53

Finding the Fourth Proportional to 252,746.81, 348,783.89 and 138,028.53

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Solution

The fourth proportional to 252,746.81, 348,783.89 and 138,028.53 is: 190,475.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,746.81 : 348,783.89 = 138,028.53 : x
  2. Step 2: Convert to fraction form
    252,746.81/348,783.89 = 138,028.53/x
  3. Step 3: Cross multiply
    252,746.81x = 348,783.89 × 138,028.53
  4. Step 4: Simplify right side
    252,746.81x = 48,142,126,934.24
  5. Step 5: Solve for x
    x = 48,142,126,934.24/252,746.81
  6. Step 6: Final answer
    x = 190,475.71

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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.