Home / 252,938.54-349,056.09-138,217.18

Finding the Fourth Proportional to 252,938.54, 349,056.09 and 138,217.18

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Solution

The fourth proportional to 252,938.54, 349,056.09 and 138,217.18 is: 190,740.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,938.54 : 349,056.09 = 138,217.18 : x
  2. Step 2: Convert to fraction form
    252,938.54/349,056.09 = 138,217.18/x
  3. Step 3: Cross multiply
    252,938.54x = 349,056.09 × 138,217.18
  4. Step 4: Simplify right side
    252,938.54x = 48,245,547,548.99
  5. Step 5: Solve for x
    x = 48,245,547,548.99/252,938.54
  6. Step 6: Final answer
    x = 190,740.20

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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.