Home / 252,127.15-347,929.04-137,408.74

Finding the Fourth Proportional to 252,127.15, 347,929.04 and 137,408.74

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Solution

The fourth proportional to 252,127.15, 347,929.04 and 137,408.74 is: 189,620.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,127.15 : 347,929.04 = 137,408.74 : x
  2. Step 2: Convert to fraction form
    252,127.15/347,929.04 = 137,408.74/x
  3. Step 3: Cross multiply
    252,127.15x = 347,929.04 × 137,408.74
  4. Step 4: Simplify right side
    252,127.15x = 47,808,489,256.16
  5. Step 5: Solve for x
    x = 47,808,489,256.16/252,127.15
  6. Step 6: Final answer
    x = 189,620.56

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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.