Home / 252,044.04-347,820.58-138,866.78

Finding the Fourth Proportional to 252,044.04, 347,820.58 and 138,866.78

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Solution

The fourth proportional to 252,044.04, 347,820.58 and 138,866.78 is: 191,636.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,044.04 : 347,820.58 = 138,866.78 : x
  2. Step 2: Convert to fraction form
    252,044.04/347,820.58 = 138,866.78/x
  3. Step 3: Cross multiply
    252,044.04x = 347,820.58 × 138,866.78
  4. Step 4: Simplify right side
    252,044.04x = 48,300,723,962.33
  5. Step 5: Solve for x
    x = 48,300,723,962.33/252,044.04
  6. Step 6: Final answer
    x = 191,636.05

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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.