Home / 252,431.53-348,349.91-139,254.25

Finding the Fourth Proportional to 252,431.53, 348,349.91 and 139,254.25

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Solution

The fourth proportional to 252,431.53, 348,349.91 and 139,254.25 is: 192,167.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,431.53 : 348,349.91 = 139,254.25 : x
  2. Step 2: Convert to fraction form
    252,431.53/348,349.91 = 139,254.25/x
  3. Step 3: Cross multiply
    252,431.53x = 348,349.91 × 139,254.25
  4. Step 4: Simplify right side
    252,431.53x = 48,509,204,758.35
  5. Step 5: Solve for x
    x = 48,509,204,758.35/252,431.53
  6. Step 6: Final answer
    x = 192,167.77

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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.